Eureka Math Grade 3 Mid-Module 3 Review

Front

What is multiplication?

Back

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

Front

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.

Front

How do you represent an unknown in a multiplication equation?

Back

You can use a letter, like N, to represent the unknown. For example, in the equation 8 x N = 48, N is the unknown.

Front

What is the break apart method in multiplication?

Back

The break apart method involves breaking a number into smaller parts to make multiplication easier. For example, to solve 7 x 6, you can break 6 into 3 and 3, then calculate 7 x 3 + 7 x 3.

Front

How many days are in a week?

Back

There are 7 days in a week.

Front

If a carnival lasts for 21 days, how many weeks is that?

Back

21 days ÷ 7 days/week = 3 weeks.

Front

What is the equation to find out how much each person pays when sharing a cost?

Back

If N is the amount each person pays, the equation is total cost ÷ number of people = N.

Front

If 6 bumblebee dolls each have 6 stripes, how many stripes are there in total?

Back

6 dolls x 6 stripes/doll = 36 stripes.

Front

What is the total cost if 6 friends share a $54 magic set?

Back

Each person pays $54 ÷ 6 = $9.

Front

What does it mean to equally share something?

Back

To equally share means to divide something into equal parts so that everyone gets the same amount.