Bridges 2nd Unit 3 Pretest/Review

Front

How do you find out how much older one person is than another?

Back

Subtract the younger person's age from the older person's age.

Front

What is the result of 7 - 20?

Back

-13

Front

What is a number line?

Back

A number line is a straight line with numbers placed at equal intervals along its length.

Front

If you start at 0 and jump 1, 5, and 10, what is the total distance jumped?

Back

16 (0 + 1 + 5 + 10 = 16).

Front

What is the sum of 32, 33, and 35?

Back

100 (32 + 33 + 35 = 100).

Front

How do you add multiple numbers together?

Back

You can add them one at a time or group them in pairs.

Front

What is the age difference between Adam (10 years) and his grandfather (78 years)?

Back

68 years (78 - 10 = 68).

Front

What does 'labeled correctly' mean in the context of a number line?

Back

It means that the numbers are placed in the right positions according to their value.

Front

What is the first step to solve a subtraction problem?

Back

Identify the two numbers you are subtracting.

Front

What is the total of 21, 37, and 85?

Back

143 (21 + 37 + 85 = 143).