DLM Math Concepts 5

Question 1

Which unit is most appropriate for measuring the weight of a textbook?

Accepted Answer

Pounds

Answer

Pounds (or kilograms) are standard units for measuring weight.

Question 2

What is the least common multiple (LCM) of 4 and 6?

Accepted Answer

12

Answer

Multiples of 4: 4, 8, 12…; multiples of 6: 6, 12…; the LCM is 12.

Question 3

A number line goes from 0 to 1. Where would you place 0.5?

Accepted Answer

Exactly in the middle

Answer

0.5 = 1/2, which is exactly halfway between 0 and 1.

Question 4

If x + 7 = 15, what is the value of x?

Accepted Answer

8

Answer

x = 15 − 7 = 8.

Question 5

A bar graph shows that 30 students prefer soccer and 20 prefer basketball. How many more prefer soccer?

Accepted Answer

10

Answer

30 − 20 = 10 more students prefer soccer.

(DLM) Dynamic Learning Maps Practice Test