Find the Unknown

? + 70 = 79

• 17

• 149

• 9

• 70

? + 54 = 55

• 10

• 1

• 109

• 99

?? + 27 = 42

• 15

• 14

• 13

• 17

?? + 23 = 39

• 15

• 16

• 17

• 62

?? + 21 = 47

• 6

• 16

• 26

• 36

? + 80 = 87

• 5

• 6

• 7

• 8

• 17 square feet

• 70 square feet

• 70 square centimeters

• 17 squares

Each square is 1 square unit. Do both rectangles have the same area?

• yes

• no

• I don't know!!!

What is the area of rectangle A? Don't forget the unit.

• 30 square units

• 36

• 36 square units

• 25 square units

Find the area of this rectangle.

• 48 square centimeters

• 14 square centimeters

• 24 square centimeters