Algebra Week 1

What is the value of the expression −14÷35?

-0.4

What is the value of the expression −2⋅(−4)⋅3⋅(−6)?

-144

What is the value of the expression −30/12?

-2.5

Evaluate. −46+18

-28

What is the value of −21+(−7)?

-28

What is the value of the expression −54/18?

-3

What is the value of −15−(−9)?

-6

What is the value of the expression 3⋅(−8)⋅4?

-96

What is the value of the expression 3(−7)(−6)?

126

What is the value of the expression −2⋅(11)⋅(−6)?

132

Find the product without using a calculator. 655⋅227=?

148685

What is the value of the expression −27÷(−9)?

3

Match each expression with the correct value.

3(−6)(−4)= 72 −9(−4)(−2)= −72 −6(9)(2)= −108 −4(3)(−9)= 108

What is the value of 23−(−7)?

30

What is the value of 52+(−15)?

37

What is the value of −12−(−21)?

9

Evaluate the expression 13−(−5+7) by rewriting the subtraction as addition. Select two answer choices: one for the equivalent expression using subtraction as addition, and one for the value.

Equivalent expression: 13+5+(−7) Value: 11

Evaluate the expression 18−(−4)−8 by rewriting the subtraction as addition. Match each phrase with the correct expression or value.

Equivalent expression: 18+4+(−8) Value of the expression: 14

Evaluate the expression −11−(−7−9) by rewriting the subtraction as addition. Match each phrase with the correct expression or value.

Equivalent expression: −11+7+9 Value of the expression: 5

Evaluate the expression −24−(−32)−17 by rewriting the subtraction as addition. Select two answer choices: one for the equivalent expression using subtraction as addition, and one for the value of the expression.

Equivalent expression: −24+32+(−17) Value: −9

Evaluate the expression −46−(25−37) by rewriting the subtraction as addition. Select two answer choices: one for the equivalent expression using subtraction as addition, and one for the value.

Equivalent expression: −46+(−25)+37 Value: −34

Nadia evaluated the expression −32−(−41+16) by rewriting the addition as subtraction, as shown. Step 1: −32+(−41)+16 Step 2: −73+16 Step 3: −57 Did Nadia make a mistake?

Yes, in Step 1 she should have written −32+41+(−16). Her final answer should have been -7.

Match each expression with the correct sum.

−13+25= 12 −13+(−25)= −38 13+(−25)= −12 13+25= 38

Match each expression with the correct value.

−15/−3= 5 25÷(−5)= −5 6/−30= −1/5 −25÷(−125)= 1/5

Which of the following expressions have a value of −23? Select all that apply.

−15−8 −27−(−4) 18−41

What is the sum of −3 and 19?

−18