NBT NBT Mathematics: Number Sense and Calculations

Question 1

What is the least common multiple (LCM) of 12 and 18?

Accepted Answer

36

Answer

24

Answer

72

Answer

6

Question 2

Which of the following is an irrational number?

Accepted Answer

√7

Answer

√16

Answer

√9

Answer

√25

Question 3

What is the value of (−3)² − (−3)?

Accepted Answer

12

Answer

6

Answer

9

Answer

3

Question 4

How many factors does 36 have?

Accepted Answer

9

Answer

7

Answer

8

Answer

6

Question 5

Which of the following values is the greatest?

Accepted Answer

−0.5

Answer

−3/4

Answer

−0.8

Answer

−2/3

Question 6

What is the prime factorization of 180?

Accepted Answer

2² × 3² × 5

Answer

2 × 3² × 5²

Answer

2³ × 3 × 5

Answer

2² × 3 × 5²

Question 7

If p and q are both prime numbers greater than 2, which statement must always be true?

Accepted Answer

p + q is even

Answer

p + q is prime

Answer

p × q is even

Answer

p − q is prime