Expressions Unit Review

• 12 + 8m

• 4(4m + 8)

• (4 x 8) + 4m

• 8(4 + 4m)

• 32 + 16m

• 20c + 12d - 24

• 32cd - 6

• 20c + 12d - 6

• 20c + 3d -6

Grace is sending out 220 invitations to the Museum Gala. If g represents the number of invitations that she has written already, which expression can be used to find how many more invitations Grace has to write?

• 
• 
• 
• 

• 6(2) + 4

• 42 - 5 + 4

• 6(5) - 7 + 4

• 42 - 9

Mathematical Equivalence

ON

• 20
• 16
• 31

• 12

Marshall is looking for different ways to write the number 729 using exponents. Consider the expressions below. Move the expressions in the True Category or False Category.

Groups:

(a) True

,

(b) False

What value belongs in the box to complete the question shown?

• 3

• 16

• 8

• 2

• 30 (1 + 42)

• 3 (10 + 14)

• 15 (2 + 3)

• 6 (5 + 7)

What is the greatest common factor of 40 and 60?

• 10
• 30
• 50
• 20