3rd Grade Math Review

Front

What is estimation in math?

Back

Estimation is a way to find a number that is close enough to the right answer, usually used to make calculations easier.

Front

How do you estimate the difference between two numbers?

Back

To estimate the difference, round each number to the nearest hundred or ten, then subtract the rounded numbers.

Front

What is an equivalent fraction?

Back

An equivalent fraction is a fraction that represents the same part of a whole as another fraction, even though the numbers are different.

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

What is the equivalent fraction of 3/6?

Back

1/2

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

What operation would you use to find the total number of items in equal groups?

Back

You would use multiplication.

Tags

CCSS.3.OA.A.1

Front

If you have 3 packages with 40 items each, how do you find the total number of items?

Back

Multiply the number of packages (3) by the number of items in each package (40): 3 x 40.

Front

What is division?

Back

Division is the process of splitting a number into equal parts or groups.

Tags

CCSS.3.OA.A.2

Front

How do you divide items evenly among people?

Back

You divide the total number of items by the number of people.

Tags

CCSS.3.OA.A.2

Front

If Taysha has 18 sticks of gum and shares them with 3 people, how many sticks does each person get?

Back

Each person gets 6 sticks of gum.

Tags

CCSS.3.OA.A.3

Front

What is a serving in terms of food?

Back

A serving is a specific amount of food that is considered a single portion.

Tags

CCSS.RI.2.5

CCSS.RI.3.3

CCSS.RI.3.5

CCSS.RI.4.3

CCSS.RI.4.5