Are You Smarter Than a 5 th Grader?
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Are You Smarter Than a 5th Grader?
By: Lynn Scales
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MathStandard: MCC4.OA.2Multiply or divide to solve word problems involving multiplicative comparison, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem, distinguishing multiplicative comparison from additive comparison
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#1
Find the value of the underlined digit.
703,891 = ____________63,549 = ____________182,034 = ____________
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Answer to #1
Find the value of the underlined digit.
703,891 = 700,00063,549 = 3,000182,034 = 100,000
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#2
Sophia said that the expanded form for 605,970 is 600,000 + 50,000 +900 + 70. Explain Sophia’s error and give the correct answer.
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Answer to #2
Sophia should have put 0 for the ten thousands instead of 50,000. So the correct answer should be:600,000 + 00,000 + 5,000 + 900 + 70 + 0 = 605,970.
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#3The Smith family opens the door of their refrigerator 32 times in one day. There are 31 days in May. About how many times is it opened in May?
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Answer to #3
The Smith family opens the door of their refrigerator 32 times in one day. There are 31 days in May. About how many times is it opened in May?
Answer = 900 times (remember to estimate when it says “about”)
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#4 The bakery made 110 pumpkin muffins. They will be packed in boxes with 8 muffins in each box. About how many boxes will there be?
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Answer to #4
The bakery made 110 pumpkin muffins. They will be packed in boxes with 8 muffins in each box. About how many boxes will there be?
Answer: 14 boxes
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#5
A dolphin’s heart beats 688 times in 6 minutesAnswer: About 100 timesWhat’s the question?
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Answer to #5
A dolphin’s heart beats 688 times in 6 minutesAnswer: About 100 timesWhat’s the question?
Answer: About how many times does a dolphin’s heart beat in one minute?
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#6
About 300,000 people attend afestival. Which number could bethe exact number of people thatattended the festival?a. 389,001b. 351,213c. 282,348d. 249,849
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C = 282,348
Answer to #6
About 300,000 people attend afestival. Which number could bethe exact number of people thatattended the festival?a. 389,001b. 351,213c. 282,348d. 249,849
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#7The fraction models below are equivalent. Explain why.
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Answer to #7
Answer = All the fractions are equivalent because they all cover half of the entire shape.
The fraction models below are equivalent. Explain why.
3/6 = 1/2 2/4 = 1/2 4/8 = 1/2
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#8
Find the quotient of 1,280 and 7.
A. 182 R 5 B. 181 R 13 C. 182 R 6 D. 182 R 7
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C = 182 R 6
Answer to #8
Find the quotient of 1,280 and 7.
A. 182 R 5 B. 181 R 13 C. 182 R 6 D. 182 R 7
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#9
Find the product of 349 and 7.
A. 49 B. 2,443 C. 2, 433 D. 2,343
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B = 2,443
Answer to #9
Find the product of 349 and 7.
A. 49 B. 2,443 C. 2, 433 D. 2,343
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#10
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B = $1.50
Answer to #10
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#11
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Answer to #11
H = 5:24
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Are You Smarter Than a 5th Grader? Total your score!