Eureka Module 3 Review

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What is division?

Back

Division is the process of splitting a number into equal parts. For example, if you have 12 cookies and want to share them with 3 friends, each friend gets 4 cookies.

Tags

CCSS.3.OA.A.2

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What is multiplication?

Back

Multiplication is a way to add a number to itself a certain number of times. For example, 3 x 4 means adding 3 four times: 3 + 3 + 3 + 3 = 12.

Tags

CCSS.3.OA.A.1

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How do you find the total earnings from hourly work?

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To find total earnings, multiply the hourly wage by the number of hours worked. For example, if you earn $10 an hour and work 5 hours, you earn $10 x 5 = $50.

Tags

CCSS.7.EE.B.3

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What is a strategy for solving multiplication problems?

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One strategy is to break down the numbers. For example, to solve 6 x 7, you can think of it as (6 x 5) + (6 x 2) = 30 + 12 = 42.

Tags

CCSS.3.OA.B.5

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What does it mean to organize items into equal groups?

Back

Organizing items into equal groups means dividing them so that each group has the same number of items. For example, if you have 12 apples and make 4 groups, each group has 3 apples.

Tags

CCSS.2.OA.C.3

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How do you calculate the total time spent on activities?

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To calculate total time, add the time spent on each activity. For example, if you study for 30 minutes and do chores for 20 minutes, the total time is 30 + 20 = 50 minutes.

Tags

CCSS.3.MD.A.1

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What is the purpose of using variables in math?

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Variables are used to represent unknown values in math problems. For example, in the equation m + 5 = 10, m represents the unknown number that makes the equation true.

Tags

CCSS.6.EE.B.6

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What is the relationship between addition and subtraction?

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Addition and subtraction are inverse operations. If you add a number and then subtract the same number, you return to the original number. For example, 5 + 3 - 3 = 5.

Tags

CCSS.2.NBT.B.5

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How can you check your work in math?

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You can check your work by using the opposite operation. For example, if you solved 8 + 4 = 12, you can check by doing 12 - 4 = 8.

Tags

CCSS.7.NS.A.1D

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What does it mean to solve a word problem?

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Solving a word problem means translating the words into a mathematical equation and finding the answer. For example, 'If you have 10 apples and give away 3, how many do you have left?' translates to 10 - 3.

Tags

CCSS.2.OA.A.1