Mastering UIL Number Sense Concepts

What is the first step in the order of operations?

• Multiplication

• Parentheses

• Addition

• Exponents

In the expression 72 ÷ 8 + 5 × 9, what operation should be performed first?

• 72 ÷ 8

• Subtraction

• Addition

• 5 × 9

What is the greatest common divisor (GCD) of 45 and 99?

• 3

• 9

• 5

• 15

Which of the following is a factor of both 76 and 92?

• 19

• 38

• 4

• 2

What is the least common multiple (LCM) of 40 and 104?

• 80

• 1040

• 40

• 520

Which of the following is the least common multiple (LCM) of 54 and 60?

• 60

• 540

• 120

• 270

How do you convert 13% to a fraction?

• 13/10

• 13/100

• 1.3

• 0.13

What is 0.93 as a percent?

• 0.93%

• 930%

• 93%

• 9.3%

What is 1/3 as a percent?

• 33.333%

• 33.33%

• 33.3%

• 33%

What is 1/4 as a percent?

• 25%

• 30%

• 20%

• 40%