Unit 2 Practice

What is absolute value?

• a) the opposite of a number

• b) the sum of a number and its opposite

• c) the distance from a number to zero

• d) the sum of any negative and positive integers

Tags

CCSS.6.NS.C.7C

How can you find the sum of integers with the same sign?

• a) add the numbers and keep the sign

• b) subtract the numbers and keep the sign of the larger number

• c) subtract the numbers and keep the sign of the smaller number

• d) add the numbers and always add a negative sign to the sum

Tags

CCSS.7.NS.A.1C

How can you find the sum of integers with different signs?

• a) add the numbers and keep the sign of the integers

• b) subtract the numbers and keep the sign of the larger number

• c) subtract the numbers and keep the sign of the smaller number

• d) add the numbers and always add a negative sign to the sum

Tags

CCSS.7.NS.A.1C

When multiplying two integers with different signs, you should

• a) find the product and keep the sign of the higher number

• b) find the product and the final answer is negative

• c) find the product and the final answer is positive

Tags

CCSS.7.NS.A.2A

When dividing two integers with the same sign,

• a) the quotient will always be positive

• b) the quotient will always be negative

• c) the quotient will be positive if the numbers are positive and negative if the numbers are negative

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

How would you evaluate - 9 + 24?

• a) Add 9 + 24, and keep the negative sign from the - 9.

• b) Add 9 + 24, and keep the positive sign from the 24.

• c) Subtract 24 - 9, and keep the negative sign from the – 9.

• d) Subtract 24 – 9, and keep the positive sign from the 24.

Tags

CCSS.7.NS.A.1C

Is | −17+ 22 | = |-17|+ |22|?

• a) Yes, both equal 39

• b) Yes, both equal 5

• c) No, the first equals 39 and the second equals 5

• d) No, the first equals 5 and the second equals 39

Tags

CCSS.7.NS.A.1D

The first step in simplifying the expression 12 + (7 • − 22)² ÷ (− 18) - (− 88) involves

• a) Subtraction

• b) Division

• c) Exponents

• d) Multiplication

Tags

CCSS.7.NS.A.3

When evaluating the expression [− 3(− 4)³ − (− 1)] − (− 8)(– 2), the first step involves

• a) Subtraction

• b) Division

• c) Exponents

• d) Multiplication

Tags

CCSS.7.EE.B.3

The value of the expression (-12)(-5)(-2) is

• a) 120 because − 12 × − 5 = − 60 and − 60 × − 2 = 120

• b) − 120 because − 12 × − 5 = − 60 and − 60 × − 2 = − 120

• c) 120 because – 12 × − 5 = 60 and 60 × − 2 = 120

• d) − 120 because − 12 × − 5 = 60 and 60 × − 2 = − 120

Tags

CCSS.7.NS.A.2C