Mental Math Practice

Front

What is mental math?

Back

Mental math refers to performing calculations in your head without the use of a calculator or paper.

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

How do you add multiple numbers together?

Back

To add multiple numbers, sum them sequentially. For example, 40 + 25 + 30 = 95.

Tags

CCSS.2.NBT.B.6

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number.

Tags

CCSS.3.OA.A.1

Front

What is the product of 24 and 3?

Back

72

Tags

CCSS.4.NBT.B.5

Front

What is the product of 11 and 9?

Back

99

Tags

CCSS.4.NBT.B.5

Front

If 15 times a number equals 60, what is the number?

Back

4

Tags

CCSS.3.OA.B.6

Front

How do you find the difference between two numbers?

Back

To find the difference, subtract the smaller number from the larger number.

Tags

CCSS.2.OA.A.1

Front

If you have read 55 pages of a 200-page book, how many pages are left to read?

Back

145 pages.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the formula for finding the total time spent on activities?

Back

Total time = Time1 + Time2 + Time3 + ...

Tags

CCSS.3.MD.A.1

Front

What does 'x' represent in multiplication problems?

Back

In multiplication problems, 'x' represents the unknown number that needs to be found.

Tags

CCSS.3.OA.D.9