3rd Grade Math Check In 2 Review

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What is multiplication?

Back

Multiplication is a mathematical operation where a number is added to itself a certain number of times. For example, 4 x 3 means adding 4 three times: 4 + 4 + 4 = 12.

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What is division?

Back

Division is a mathematical operation where a number is split into equal parts. For example, 12 ÷ 3 means splitting 12 into 3 equal parts, which equals 4.

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How do you find the total number of items when you have packs?

Back

To find the total number of items in packs, multiply the number of packs by the number of items in each pack. For example, 4 packs of 8 hotdogs means 4 x 8 = 32 hotdogs.

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What does it mean to share equally?

Back

Sharing equally means dividing something into the same number of parts for each person. For example, if 20 bracelets are shared among 4 girls, each girl gets 20 ÷ 4 = 5 bracelets.

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What is a word problem in math?

Back

A word problem is a mathematical question presented in a narrative form, requiring you to extract the numbers and operations needed to solve it.

Front

What is the equation for finding how much more money is needed?

Back

To find out how much more money is needed, subtract the amount already earned from the total cost. For example, if a Lego set costs $116 and $45 has been earned, then $116 - $45 = $71 more is needed.

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What does it mean to have an equal number of items in groups?

Back

Having an equal number of items in groups means that when you divide the total number of items into groups, each group has the same number of items.

Front

What is the formula for division?

Back

The formula for division is: Total ÷ Number of Groups = Number in Each Group. For example, 12 ÷ 3 = 4.

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How do you solve a problem using multiplication?

Back

To solve a problem using multiplication, identify how many groups there are and how many items are in each group, then multiply those two numbers.

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What is the relationship between multiplication and division?

Back

Multiplication and division are inverse operations. If you know that 4 x 3 = 12, then you can also say 12 ÷ 4 = 3.