27 March starter

What is zero pair?

Answer explanation

ZERO PAIR is...

a pair of numbers whose sum is zero,

+1-1 = 0

OR

-1+1 = 0

Tags

CCSS.7.NS.A.1B

Draw the zero pair to evaluate

-6 + 5

• -1

• 1

Answer explanation

red circle represent the negative numbers

yellow circle represent the positive number

Tags

CCSS.7.NS.A.1C

Draw the zero pair to calculate

2-6 =

• -4

• 4

Answer explanation

full circle is positive

empty circle is negative

Tags

CCSS.7.NS.A.1C

Use zero pair to evaluate

-4-6

• -10

• 10

Answer explanation

There is no zero pair that can be cancelled out.

Tags

CCSS.7.NS.A.1C

positive number multiply by positive number will give ________ answer

• positive

• negative

Answer explanation

smiley face since same signs so positive answer

Tags

CCSS.3.OA.D.9

negative number multiply by negative number will give ________ answer

• positive

• negative

Answer explanation

smiley face since same signs so positive answer

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

positive number multiply by negative number will give ________ answer

• positive

• negative

Answer explanation

sad face since different signs so negative answer

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

sum of the 2 factors is -9

product of the 2 factors is 14

What are the factors?

• -2 and -7

• -2 and 7

• -3 and -3

• -3 and 3

Answer explanation

sum of the 2 factors is -6 and

product of the 2 factors is 9

What are the factors?

• -3 and -3

• 3 and -3

• -2 and 3

• -2 and -3

Answer explanation

sum of the 2 factors is -12

product of the 2 factors is 32

What are the factors?

• -8 and -4

• -8 and 4

• -6 and -2

• 6 and 2

Answer explanation