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Name: ___________________________________Subtraction to 20 – Subtraction with ManipulativesClasswork
Directions: Use the pictures to help you subtract.
1. 6 take away 3 equals ________
2. 5 take away 4 equals ________
3. 3 take away 1 equals ________
4. 2 take away 2 equals ________
Directions: Draw counters to help you subtract.
5. 9 take away 5 equals ________
6. 8 take away 2 equals ________
7. 10 take away 0 equals ________
8. 14 take away 4 equals ________
Name: ___________________________________Subtraction to 20 – Subtraction with ManipulativesHomework
Directions: Use the pictures to help you subtract.
1. 7 take away 5 equals ________
2. 9 take away 3 equals ________
3. 5 take away 1 equals ________
4. 6 take away 3 equals ________
Directions: Draw counters to help you subtract.
5. 5 take away 4 equals ________
6. 7 take away 6 equals ________
7. 8 take away 8 equals ________
8. 12 take away 10 equals ________
Name: ___________________________________Subtraction to 20 – Subtraction SentencesClasswork
Directions: Write subtraction sentences to match the pictures.
1.
______ - ______ = ______
2.
______ - ______ = ______
3.
______ - ______ = ______
4.
______ - ______ = ______
5.
______ - ______ = ______
6.
______ ______ ______
7.
______ ______ ______
8.
______ ______ ______
Name: ___________________________________Subtraction to 20 – Subtraction SentencesHomework
Directions: Write subtraction sentences to match the pictures.
1.
______ - ______ = ______
2.
______ - ______ = ______
3.
______ - ______ = ______
4.
______ - ______ = ______
5.
______ ______ ______
6.
______ ______ ______
7.
______ ______ ______
8.
______ ______ ______
.
Name: ___________________________________Subtraction to 20 – Word ProblemsClasswork
Directions: Draw a picture to solve. Write a subtraction sentence to match.
1. Joe has 12 pennies.His sister took 3 away.How many pennies does he have left?
______ - ______ = ______
2. Sam saw 5 fish in the lake.2 swam away.How many fish are left?
______ - ______ = ______3. Ellen has 3 dogs.
She gives 1 away.How many dogs are left?
______ - ______ = ______
4. Parker bought 9 rolls.Then he ate 3 more.How many rolls are left?
______ - ______ = ______5. There are 6 kids at the park.
Then 3 went home.How many kids are left?
______ - ______ = ______
6. Jen has 10 balls.Then she gave 4 to a friend.How many balls does she have left?
______ - ______ = ______7. There are 5 turtles on a log.
1 swam into the lake.How many turtles are left?
______ - ______ = ______
8. There are 8 birds sitting in a tree.4 fly away.How many birds are left?
______ - ______ = ______
Name: ___________________________________Subtraction to 20 – Word Problems Homework
Directions: Draw a picture to solve. Write a subtraction sentence to match.
1. Jim saw 6 deer in the woods.5 ran awayHow many deer are left?
______ - ______ = ______
2. There are 10 leaves on the tree.7 fall off.How many leaves are left?
______ - ______ = ______3. Ed has 9 fruit snacks.
She eats 3 of them.How many fruit snacks are left?
______ - ______ = ______
4. Polly has 5 pretzels.Then she eats 2 of them.How many pretzels are left?
______ - ______ = ______5. There are 6 balloons.
5 of them pop.How many balloons are left?
______ - ______ = ______
6. There are 6 petals on the flower.2 petals fall off.How many petals are left?
______ - ______ = ______7. There are 2 cookies on the table.
Bob eats 2 of them.How many cookies are left?
______ - ______ = ______
8. There are 8 ducks in the pond.3 swim away.How many ducks are left?
______ - ______ = ______
Name: ___________________________________Subtraction to 20 – Word ProblemsClasswork
Name: ___________________________________Addition to 20 – Subtraction on Number Line Homework
Directions: Draw circles to help compare the two groups. Solve
1. John has 5 pennies.Beth has 9 pennies.How many more pennies does Beth have?
9 – 5 = ______
2. There are 6 gorillas.There are 2 bears.How many more gorillas than bears?
6 – 2 = ______
3. Jim has 5 balloons.Jess has 3 balloons.How many fewer balloons does jess have?
4. 9 – 5 = ______
5. There are 5 frogs in the pond.There are 8 fish in the pond.How many less frogs than fish?
______ - ______ = ______
6. There are 3 blue birds.There are 7 red birds.How many more red birds than blue birds?
______ – ______ = ______
7. Jack has 11 cookies.Cole has 4 cookies.How many more cookies does Jack have?
Name: ___________________________________Subtraction to 20 – Comparing GroupsClasswork
______ – ______ = ______
Kate has 4 kites. Alex has 8 kites. How many more kites does Alex have?
Kate -
8 – 4 = _4__ Alex -
Draw a line and see what is left behind.
Directions: Draw circles to help compare the two groups. Solve.
1. John has 5 pennies.Beth has 9 pennies.How many more pennies does Beth have?
9 – 5 = ______
2. There are 6 gorillas.There are 2 bears.How many more gorillas than bears?
6 – 2 = ______
Name: ___________________________________Addition to 20 – Subtraction on Number Line Homework
3. Jim has 5 balloons.Jess has 3 balloons.How many fewer balloons does jess have?
______ + ______ = ______
4. There are 5 frogs in the pond.There are 8 fish in the pond.How many less frogs than fish?
______ - ______ = ______
Name: ___________________________________Subtraction to 20 – Subtraction on the Number LineClasswork
Directions: Use the number line to subtract. Circle the greater number. Show your work. Don’t count before you jump!!
1. 5 - 3 = ______
2. 16 - 7 = ______
3. 9 - 4 = ______
4. 12 - 5 = ______
Directions: Use the number line to subtract. Write the difference.
5. 20 - 1 = ______
6. 6 - 3 = ______
7. 9 - 2 = ______
8. 8 - 4 = ______
9. Jim saw 4 ducks. Then 2 swam away. How many ducks are left? ______
10. Beth had 2 flowers. Then she gave 2 away. How many flowers does she have left? ______
Name: ___________________________________Subtraction to 20 – Subtraction on the Number Line Homework
You can use a number line to subtract. Start by circling the greater number.
Next jump back to the left as you subtract.
Directions: Use the number line to subtract. Circle the greater number. Show your work. Don’t count before you jump!!
1. 8 - 3 = ______
2. 5 - 2 = ______
3. 11 - 4 = ______
4. 6 - 5 = ______
Directions: Use the number line to subtract. Write the difference.
5. 6 - 2 = ______
6. 12 - 3 = ______
7. 5 - 5 = ______
8. 14 - 9 = ______
9. Dawn saw 6 ladybugs on a leaf. 4 ladybugs crawl away. How many ladybugs are left? ______
10. Kim bought 5 apple pies. Her family ate 2 of them. How many pies are left? ______
Name: ___________________________________Subtraction to 20 – Subtracting on the Number GridClasswork
Directions: Use the number grid to subtract. Circle the minuend (first number). Show your work.
1. 12 - 8 = ______ 3. 18 - 11 = ______
2. 17 - 9 = ______ 4. 13 - 6 = ______
Directions: Use the number grid to subtract. Write the difference.
5. 15 - 4 = ______
6. 19 - 1 = ______
7. 14 - 12 = ______
8. 16 - 7 = ______
9. 18 - 12 = ______
Name: ___________________________________Subtraction to 20 – Subtracting on the Number GridHomework
You can use a number grid to subtract. Start by circling the greater number. Next, count back by moving to the left.
At the end of the row, move up and all the way back to the right.
Directions: Use the number grid to subtract. Circle the minuend (first number). Show your work.
1. 10 - 8 = ______ 3. 15 - 5 = ______
2. 17 - 12 = ______ 4. 13 - 7 = ______
Directions: Use the number grid to subtract. Write the difference.
10. 15 - 7 = ______
11. 19 - 10 = ______
12. 14 - 5 = ______
13. 16 - 8 = ______
14. 18 - 11 = ______
Name: ___________________________________Subtraction to 20 – Subtracting 0Classwork
Directions: Find each difference. Color the - 0 subtraction sentences blue.
1. 10 - 2 = ______ 2. 4 - 0 = ______
3. 5 - 0 = ______ 4. 20 - 1 = ______
5. 3 - 1 = ______ 6. 5 - 3 = ______
7. 8 - 0 = ______ 8. 6 - 0 = ______
9. 7 - 2 = ______ 10. 4 - 4 = ______
11.15 - 0 = ______ 12.7 - 6 = ______
13. Gary has 3 cars. He gives 0 cars to his brother. How many cars does he have left? ______
14. Sarah saw 10 birds in the bush. 0 birds fly away. How many birds are left? ______
Name: ___________________________________Subtraction to 20 – Subtracting on the Number GridHomework
When you subtract 0 from a number, the difference is the same number.6 - 0 = 6 13 - 0 = 13
Directions: Find the difference. Color the – 0 facts blue.
1. 18 - 0 = ______ 2. 9 - 0 = ______
3. 6 - 0 = ______ 4. 18 - 0 = _____
5. 7 - 2 = ______ 6. 6 - 5 = ______
7. 0 - 0 = _____ 8. 3 - 3 = ______
9. 12 - 2 = ______ 10. 8 - 0 = ______
11. 9 - 9 = ______ 12. 13 - 1 = ______
13. 19 - 0 = ______ 14. 5 - 2 = ______
15. 4 - 0 = ______ 16. 7 - 4 = ______
17. Chris saw 10 apples in the tree. He picked 0 apples. How many apples are left? ______
Name: ___________________________________Subtraction to 20 – Subtracting 0Classwork
Name: ___________________________________Subtraction to 20 – Subtracting AllHomework
Directions: Subtract. Color the "subtract all" facts purple.
1. 2 - 2 = ______ 2. 10 - 10 = ______ 3. 6 - 3 = ______
4. 5 - 2 = _____ 5. 3 - 3 = ______ 6. 1 - 1 = ______
7. 4 - 4 = ______ 8. 9 - 9 = ______ 9. 6 - 6 = ______
10. 8 - 8 = ______ 11. 10 - 3 = ______ 12. 7 - 7 = ______
13. 13 - 9 = ______ 14. 5 - 5 = ______ 15. 4 - 2 = ______
16. Sam has 4 pencils. 4 pencils broke. How many pencils are left? ______ Pencils
______ - ______ = ______
17. There are 2 frogs on a lily pad. 2 frogs hop into the pond. How many frogs are left? ______ Frogs
Name: ___________________________________Subtraction to 20 – Subtracting AllClasswork
______ - ______ = ______
When you subtract all, you have 0 left.
3 – 3 = 0
Directions: Subtract. Circle the "subtract all" facts.
1. 15 - 15 = ______ 2. 7 - 0 = _______ 3. 11 - 11 = ______
4. 10 - 3 = ______ 5. 4 - 4 = _______ 6. 5 - 1 = _______
7. 2 - 2 = ______ 8. 9 - 3 = _______ 9. 13 - 13 = ______
10. 18 - 10 = ______ 11. 6 - 0 = _______ 12. 10 - 10 = ______
13. 18 - 18 = ______ 14. 7 - 2 = _______ 15. 9 - 9 = ______
16. Is 13 - 0 a "subtract all" fact? Explain why or why not.
Name: ___________________________________Subtraction to 20 – Subtracting AllHomework
Directions: Count back to find the difference.
1.
5 ______, ______
5 - 2 = ______
2.
6 ______, ______
6 - 2 = ______
3.
4 ______
4 - 1 = ______
Directions: Count back to find the difference.
4. 7 - 3 = ______
5. 5 - 1 = ______
6. 12 - 2 = ______
7. 9 - 3 = ______
8. 15 - 3 = ______
9. 2 - 1 = ______
10. 10 - 3 = ______
11. 13 - 2 = ______
Name: ___________________________________Subtraction to 20 – Subtracting AllClasswork
12. 11 - 3 = ______ 13. 4 - 2 = ______
Counting back can help us subtract.
4 __3__, __2__, __1__
4 - 3 = 1
Directions: Start with the greater number. Count back to solve.
1. 11 - 2 = ______
2. 15 - 1 = ______
3. 8 - 3 = ______
4. 9 - 1 = ______
5. 6 - 3 = ______
6. 10 - 2 = ______
7. 12 - 1 = ______
8. 4 - 3 = ______
9. 6 - 2
10. 14 - 3
11. 16 - 2
12. 13 - 2
13. 7 - 3
14. 14 - 2
Name: ___________________________________Subtraction to 20 – Subtracting AllHomework
15. John has 6 cookies. He ate 2 of them. How many cookies are left? ______
Name: ___________________________________Subtraction to 20 – Subtracting 10Classwork
Directions: Use the number grid to find the difference. Color all the -10 facts red.
1. 14 - 10 = ______ 2. 10 - 5 = ______
3. 20 - 9 = ______ 4. 17 - 10 = ______
5. 18 - 10 = _____ 6. 19 - 10 = ______
7. 11 - 3 = ______ 8. 18 - 10 = ______
9. 13 - 10 = ______ 10. 10 - 6 = ______
11. Jen has 16 cookies. She eats 10 cookies. How many cookies does she have left? ______
12. Lila caught 12 butterflies. 10 fly away. How many butterflies are left? ______
Name: ___________________________________Subtraction to 20 – Subtracting 10Homework
When subtracting ten on a number grid, first circle the minuend (first number). Then move one up one box to find the answer.
13 - 10 = 3
Directions: Use the number grid to find the difference.
1. 18 - 10 = ______
2. 17 - 10 = ______
3. 14 - 10 = ______
4. 15 - 10 = ______
5. 20 - 10 = ______
6. 12 - 10 = ______
7. 11 - 10 = ______ 9. 16 10. 19 - 10 - 10
8. 13 - 10 = ______
Name: ___________________________________Subtraction to 20 – Subtracting 10Classwork
Name: ___________________________________Subtraction to 20 – Patterns when Subtracting 10Homework
Directions: Find the difference.
1. 16 - 10
2. 13 - 10
3. 14 - 10
4. 12 - 10
5. 17 - 10
6. 11 - 10
7. 15 - 10
8. 19 - 10
9. 18 - 10
10. Billy had 17 pennies. Then he gave 10 to his sister. How many pennies does he have left? _____ pennies
______ - ______ = ______
Name: ___________________________________Subtraction to 20 – Patterns when Subtracting 10Classwork
When subtracting 10, 10 the tens place is always goes down one - 6 and the ones place stays the same. 16
Directions: Find the difference.
1. 12 - 10
2. 19 - 10
3. 15 - 10
4. 17 - 10
5. 13 - 10
6. 18 - 10
7. 16 - 10
8. 11 - 10
9. 14 - 10
10. Jim had 10 lollipops. Then he gave 10 away. How many lollipops are left? _____ Lollipops
______ - ______ = ______
Name: ___________________________________Subtraction to 20 – Fact FamiliesHomework
Directions: Complete the fact families.
1.
______ + ______ = ______
______ + ______ = ______
______ - ______ = ______
______ - ______ = ______
2.
______ + ______ = ______
______ + ______ = ______
______ - ______ = ______
______ - ______ = ______
3.
______ + ______ = ______
______ + ______ = ______
______ - ______ = ______
______ - ______ = ______
4.
______ + ______ = ______
______ + ______ = ______
______ - ______ = ______
______ - ______ = ______
5. 3, 7, 4
______ + ______ = ______
______ + ______ = ______
______ - ______ = ______
______ - ______ = ______
6. 2, 10, 12
______ + ______ = ______
______ + ______ = ______
______ - ______ = ______
______ - ______ = ______
A fact family has three related numbers that make up 2 addition sentences and 2 subtraction sentences.
4, 3, 74 + 3 = 7 3 + 4 = 7 7 – 4 = 3 7 – 3 = 4
Name: ___________________________________Subtraction to 20 - Fact FamiliesClasswork
Directions: Use the 3 number to complete the fact families
1. 5, 11, 6______ + ______ = ______
______ + ______ = ______
______ - ______ = ______
______ - ______ = ______
2. 3, 2, 1______ + ______ = ______
______ + ______ = ______
______ - ______ = ______
______ - ______ = ______
3. 7, 5, 2
______ + ______ = ______
______ + ______ = ______
______ - ______ = ______
______ - ______ = ______
4. 10, 6, 4
______ + ______ = ______
______ + ______ = ______
______ - ______ = ______
______ - ______ = ______5. 6, 3, 3
______ + ______ = ______
______ + ______ = ______
______ - ______ = ______
______ - ______ = ______
6. 14, 6, 8
______ + ______ = ______
______ + ______ = ______
______ - ______ = ______
______ - ______ = ______
Name: ___________________________________Subtraction to 20 – Fact FamiliesHomeworkDirections: Write 1 addition and 1 subtraction sentence to match each fact triangle.
1.
______ + ______ = ______
______ - ______ = ______
2.
______ + ______ = ______
______ - ______ = ______3.
______ + ______ = ______
______ - ______ = ______
4.
______ + ______ = ______
______ - ______ = ______
5. Circle the number sentence that goes with the fact triangle.
A. 11 – 9 = 2
B. 11 + 9 = 2
C. 9 – 2 = 7
A fact triangle helps us practice related facts (fact families).
4, 6, 10
4 + 6 = 10 6 + 4 = 10 10 – 4 = 6 10 – 6 = 4
Name: ___________________________________Subtraction to 20 - Fact FamiliesClasswork
Directions: Write one addition and one subtraction sentence to match each triangle.
1. ______ + ______ = ______
______ - ______ = _______
2. ______ + ______ = ______
______ - ______ = _______
3. ______ + ______ = ______
______ - ______ = _______
4. ______ + ______ = ______
______ - ______ = _______
Name: ___________________________________Subtraction to 20 – Missing SubtrahendHomework
Directions: Find the missing number. Write the related addition fact. What number is in your head?
1. 5 + ______ = 7 so 7 - ______ = 5
2. ______ + ______ = ______ so 13 - ______ = 8
3. ______ + ______ = ______ so 11 - ______ = 7
4. ______ + ______ = ______ so 16 - ______ = 9
5. ______ + ______ = ______ so 12 - ______ = 4
6. ______ + ______ = ______ so 20 - ______ = 14
Name: ___________________________________Subtraction to 20 – Missing SubtrahendClasswork
To find the missing subtrahend, put the difference in your head and count up to the given number.
8 - ______ = 6
2 is the missing subtrahend.
Directions: Find the missing subtrahend.
1. 12 - ______ = 7 2. 15 - ______ = 9 3. 6 - ______ = 2
4. 9 - ______ = 5 5. 8 - ______ = 3 6. 13 - ______ = 5
7. 12 - ______ = 6 8. 14 - ______ = 13 9. 11 - ______ = 9
10. 13 -
6
11. 16 -
11
12. 15 -
10
13. 12 -
6
14. 19 -
10
15. 6 -
6
Name: ___________________________________Subtraction to 20 – Missing MinuendHomework
Directions: Write the related addition fact. Then add to find the missing number.
Related addition fact
1. ______ - 9 = 4 4 + 9 = ______
2. ______ - 3 = 1 ______ + ______ = ______
3. ______ - 12 = 7 ______ + ______ = ______
4. ______ - 9 = 9 ______ + ______ = ______
5. ______ - 7 = 6 ______ + ______ = ______
6. ______ - 11 = 5 ______ + ______ = ______
7. ______ - 9 = 10 ______ + ______ = ______
8. ______ - 8 = 2 ______ + ______ = ______
9. ______ - 4 = 0 ______ + ______ = ______
Name: ___________________________________Subtraction to 20 – Missing MinuendClasswork
Directions: Write the related addition fact. Add to find the missing minuend
Related addition fact
1.______ - 9 = 4 4 + 9 = ______
2.______ - 3 = 1 ______ + ______ = ______
3.______ - 12 = 7 ______ + ______ = ______
4.______ - 9 = 9 ______ + ______ = ______
5.______ - 7 = 6 ______ + ______ = ______
6.______ - 11 = 5 ______ + ______ = ______
7.______ - 9 = 10 ______ + ______ = ______
Sometimes the minuend (first number) is missing in a subtraction sentence. We can add to find the answer.
______ - 9 = 6 the related addition fact is 6 + 9 = ______
6 + 9 = 15 so 15 is the missing minuend.
Name: ___________________________________Subtraction to 20 – Get to 10 part 2Homework
Directions: Break down the number to make 10 and then subtract.
Ex: 16 - 8 = _____
16 – 6 = 10 10 – 2 = 8So, 16 – 8 = 8
1. 12 - 5 = _____
12 – ______ = ______
______ - ______ = ______ So, 12 – 5 = ______
2. 17 - 9 = _____
17 – ______ = ______
______ - ______ = ______ So, 17 – 9 = ______
3. 14 - 8 = _____
14 – ______ = ______
6 2
Name: ___________________________________Subtraction to 20 – Get to 10 part 1Classwork
______ - ______ = ______ So, 14 – 8 = ______
You can make a 10 to subtract more easily.
Ex: 14 - 6 = _____
14 – 4 = 10 10 – 2 = 8So, 14 – 6 = 8
Directions: Break down the number to make 10 and then subtract.
1. 18 - 9 = _____
18 – ______ = ______
______ - ______ = ______ So, 18 – 9 = ______
2. 15 - 7 = _____
15 – ______ = ______
______ - ______ = ______ So, 15 – 7 = ______
4. 13 - 4 = _____
4 2
Name: ___________________________________Subtraction to 20 – Get to 10 part 2Homework
13 – ______ = ______
______ - ______ = ______ So, 13 – 4 = ______
Name: ___________________________________Subtraction to 20 – Get to 10 part 2Classwork
Directions: Get to ten by breaking down the subtrahend and then subtract.
Ex: 15 – 7 = ______
How can we break down the 7 to get to 10?
__15____ - __5___ - __2__ = __8__
1. 16 – 8 = ______How can we break down the 8 to get to 10?
______ - ______ - ______ = ______
2. 14 – 6 = ______How can we break down the 6 to get to 10?
______ - ______ - ______ = ______
3. 11 – 2 = ______How can we break down the 2 to get to 10?
______ - ______ - ______ = ______
4. 18 – 9 = ______How can we break down the 9 to get to 10?
______ - ______ - ______ = ______
Name: ___________________________________Subtraction to 20 – Get to 10 part 2Homework
We can break down the subtrahend to get to 10 to help us subtract easier.
Ex: 14 – 7= ______
How can we break down the 7 to get to 10?
__14____ - __4___ - __3__ = __8__
1. 15 – 8 = ______How can we break down the 8 to get to 10?
______ - ______ - ______ = ______
2. 17 – 5 = ______How can we break down the 6 to get to 10?
______ - ______ - ______ = ______
3. 12 – 3 = ______How can we break down the 2 to get to 10?
______ - ______ - ______ = ______
4. 14 – 7 = ______How can we break down the 9 to get to 10?
______ - ______ - ______ = ______