Week 1-2

-10 + 3 =

• -7

• -13

• 7

• -5

33 + - 12 =

• 21

• 45

• 36

• 41

15 - 8 =

• 7

• 23

• -7

• 3

-5 + 9 =

• 4

• -14

• 14

• -4

20 + -15 =

• 5

• 35

• -5

• 25

if 3 + x = 5 what is x?

• 2

• -2

• 3

• 4

if we use 2x as the example what is the term to describe the x?

• variable

• constant

• dog food

• cat litter

What is the value of y if 7 + y = 10?

• 3

• 17

• -3

• 10

What is the value of z if 4 + z = 9?

• 5

• 13

• -5

• 9

What is the value of b if 8 + b = 15?

• 7

• 23

• -7

• 3