3rd Grade Math

Front

What is division?

Back

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

Tags

CCSS.3.OA.A.2

Front

What is the formula for finding the total when adding fractions?

Back

To add fractions, make sure they have the same denominator. Then, add the numerators and keep the denominator the same. For example, 1/2 + 1/4 = 2/4 + 1/4 = 3/4.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

How do you find the average of a set of numbers?

Back

To find the average, add all the numbers together and then divide by how many numbers there are. For example, the average of 2, 4, and 6 is (2+4+6)/3 = 12/3 = 4.

Tags

CCSS.7.EE.B.3

Front

What is a percentage?

Back

A percentage is a way to express a number as a part of 100. For example, 50% means 50 out of 100.

Front

How do you solve a word problem?

Back

Read the problem carefully, identify the important information, decide what operation to use (addition, subtraction, multiplication, or division), and then solve it step by step.

Tags

CCSS.3.OA.A.3

Front

What does it mean to multiply?

Back

Multiplication is adding a number to itself a certain number of times. For example, 3 multiplied by 4 (3 x 4) means adding 3 four times: 3 + 3 + 3 + 3 = 12.

Tags

CCSS.3.OA.A.1

Front

What is a fraction?

Back

A fraction represents a part of a whole. It consists of a numerator (top number) and a denominator (bottom number). For example, 1/2 means one part out of two equal parts.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

How do you find the total number of items when given a group size?

Back

To find the total number of items, multiply the number of groups by the number of items in each group. For example, if there are 4 groups with 5 items each, the total is 4 x 5 = 20.

Tags

CCSS.2.OA.C.3

Front

What is the difference between a whole number and a fraction?

Back

Whole numbers are numbers without fractions or decimals (like 0, 1, 2, 3), while fractions represent parts of a whole (like 1/2, 3/4).

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

How do you divide a number by another number?

Back

To divide, you find out how many times the second number fits into the first number. For example, 12 divided by 3 (12 ÷ 3) equals 4.

Tags

CCSS.3.OA.A.2