Double Trouble Doubles, Doubles +1, Doubles +2 Primary Math CCS: 1.OA.6 Add and subtract within 20,...
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Double Trouble Doubles, Doubles +1, Doubles +2 Primary Math CCS: 1.OA.6 Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten; decomposing a number leading to addition and subtraction; and creating equivalent but easier or known sums. Strategies such as doubles, doubles +1 and doubles +2 assist students in fluency when adding or subtracting numbers. Introduce this station material by reviewing the anchor pages. Additional blank card pages have been included to allow the teacher the opportunity to create additional cards. What’s included: □ Task Card in WORD □ Anchor Charts □ Student Activity Cards for self or partner directed work □ Answer Key for self-checking □ Materials Needed: counting cubes, Challenge Question Answer Sheets □ Technology Connection: http://www.ixl.com/math/ Copyright © 2013 Innovative Educational Programs. Reproduction rights granted to CHILD Teachers and permitted only for use as instructional material. www.ieponline.com
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Transcript of Double Trouble Doubles, Doubles +1, Doubles +2 Primary Math CCS: 1.OA.6 Add and subtract within 20,...
Double Trouble
Doubles, Doubles +1, Doubles +2Primary MathCCS: 1.OA.6 Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten; decomposing a number leading to addition and subtraction; and creating equivalent but easier or known sums.
Strategies such as doubles, doubles +1 and doubles +2 assist students in fluency when adding or subtracting numbers. Introduce this station material by reviewing the anchor pages. Additional blank card pages have been included to allow the teacher the opportunity to create additional cards. What’s included:□ Task Card in WORD□ Anchor Charts□ Student Activity Cards for self or partner directed work□ Answer Key for self-checking □ Materials Needed: counting cubes, Challenge Question Answer Sheets□ Technology Connection: http://www.ixl.com/math/
Copyright © 2013 Innovative Educational Programs. Reproduction rights granted to CHILD Teachers and permitted only for use as instructional material. www.ieponline.com
STATION TASK CARD ________Station Activity Name: Double Trouble Standard: Operations and Algebraic Thinking Skill/Objective: (COPY IN YOUR PASSPORT) Doubles +1, +2 Directions:
1. Work with a partner. 2. You will need activity cards, an answer key and counting cubes. 3. Put the girl cards in a pile face down. Spread the boy cards in
front of you. 4. Tallest goes first. 5. Pick the top card off the girl pile, read it aloud. 6. Pick the matching number sentence – use the counting cubes for
help. 7. Pick the matching doubles, doubles +1 or doubles +2 that matches
the number sentence. 8. Partner checks the answers. If correct keep the cards. If not
correct return the cards. 9. Take turns until all the cards are gone.
Challenge: Sarah went to the store and bought 8 snickers and 9 twix. Her mom wanted to know how many candies she bought. Help her answer her mom. Tell her mom if it is a doubling, doubling+1 or a doubling +2 strategy to solve the problem. Write your answer on a Challenge Question Answer Sheet. Reflection: Complete this sentence: These strategies help me solve problems by …
WHEN COMPLETED □ check □ hand in
□ place in folder □ other _________________
Primary Math
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Doubles
• A double is a number that has two addends that are the same.
© Innovative Educational Programs
6 + 6 = 1212 is a double
18 = 9 + 918 is a double
Is 16 a double?What are the addends?
Is 2 a double?What are the addends?
Doubles plus 1
• A doubles-plus-1 fact is a double plus 1 more. • It has addends that are 1 apart.
© Innovative Educational Programs
6 is 1 more than 5. So 5 + 6 is 1
more than 5 + 5.
5 + 6 = 115 + 5 +1 = 11
Doubles plus 2
• A doubles-plus-2 fact is a double plus 2 more. • It has addends that are 2 apart.
© Innovative Educational Programs
8 is 2 more than 6. So 8 + 6 is 2
more than 6 + 6. 8 + 6 = 14
2 + 6 + 6 = 14
The sum is
20
The sum is
19
xt
The sum is
18
The sum is
18xt
The sum is
17
The sum is
16
The sum is
16
The sum is
15
The sum is
14
1 2 3
4 5 6
7 8 9
The sum is
13
The sum is
12xt
The sum is
12
The sum is
11
The sum is
10
The sum is
9
The sum is
8
The sum is
6xt
The sum is
4t
10
11
12
13
14
15
16
17
18
4 + 63 + 5 5 + 7
6 + 8 7 + 9 8 + 10
9 + 10 4 + 5 5 + 6
6 + 7 7 + 8 8 + 9
2 + 2 3 + 3 6 + 6
8 + 8 9 + 9 10 + 10
Doubles Doubles
Doubles Doubles Doubles
Doubles + 1 Doubles + 1
Doubles
Doubles + 1
Doubles + 1 Doubles + 1 Doubles + 1
Doubles + 2 Doubles + 2 Doubles + 2
Doubles + 2 Doubles + 2 Doubles + 2
Number Answer
1 10 + 10 Doubles
2 9 + 10 Doubles + 1
3 8 + 10 Doubles + 2
4 9 + 9 Doubles
5 8 + 9 Doubles + 1
6 7 + 9 Doubles + 2
7 8 + 8 Doubles
8 7 + 8 Doubles + 1
9 6 + 8 Doubles + 2
Number Answer
10 6 + 7 Doubles + 1
11 6 + 6 Doubles
12 5 + 7 Doubles + 2
13 5 + 6 Doubles + 1
14 4 + 6 Doubles + 2
15 4 + 5 Doubles + 1
16 3 + 5 Doubles + 2
17 3 + 3 Doubles
18 2 + 2 Doubles
Answer Key for Double Trouble
© Innovative Educational Programs
Text Text Text
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10
11
12
13
14
15
17
18
19
Text Text Text
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