Mental Math 8th Grade

Front

What is the result of -6,000 + 2,000?

Back

-4,000

Tags

CCSS.7.NS.A.1C

Front

What is the result of -40 + 20?

Back

-20

Tags

CCSS.7.NS.A.1C

Front

Evaluate 70 + 5y when y=2.

Back

80

Tags

CCSS.6.EE.A.2C

Front

What is 0.5 multiplied by 0.7?

Back

0.35

Tags

CCSS.6.NS.B.3

Front

What is the result of -10 - 20?

Back

-30

Tags

CCSS.7.NS.A.1C

Front

Define 'negative number'.

Back

A number less than zero.

Tags

CCSS.6.NS.C.5

Front

Define 'positive number'.

Back

A number greater than zero.

Tags

CCSS.7.NS.A.1A

Front

What is the commutative property of addition?

Back

Changing the order of addends does not change the sum.

Tags

CCSS.1.OA.B.3

Front

What is the associative property of addition?

Back

Changing the grouping of addends does not change the sum.

Tags

CCSS.1.OA.B.3

Front

What is the distributive property?

Back

a(b + c) = ab + ac.

Tags

CCSS.6.EE.A.3