Pre-Algebra Test 4

Find the GCF (greatest common factor) of 68 and 144

• 34

• 4

• 12

• 7

• 64

Find the LCM (least common multiple) of 68 and 144

• 144

• 4

• 72

• 68

• 2448

Is the number 464487 divisible by 3? Explain how you use the divisibility rule.

Mathematical Equivalence

ON

The number 343 is 7 raised to which power

• 2

• 3

• 5

• 1/3

• 0

What are the prime factors of 84? Check all that apply

• 3

• 14

• 6

• 7

Draw the Factor tree for 1890

Mathematical Equivalence

ON

Julia is 136 cm tall and her younger brother David is 3/4 as her . How tall is David?

• 112 cm

• 120 cm

• 170 cm

• 102 cm

Mathematical Equivalence

ON