Adding and Subtracting Rationals

1.

Multiple Choice

3 mins

1 pt

How would you find -8 + 2 on a number line?

start at -8 and go left 2

start at -8 and go right 2

start at -2 and go right 8

start and 2 and go right 8

2.

Multiple Choice

3 mins

1 pt

How would you find 9 - 12 on a number line?

start at 9 and go right 12

start and 12 and go right 9

start at 9 and go left 12

start at -12 and go left 9

3.

Multiple Choice

3 mins

1 pt

How do you find the range of temperature if the low temperature is 20 degrees and the high temperature is 77 degrees?

20 + 77

20 - 77

77 + 20

77 - 20

4.

Multiple Choice

3 mins

1 pt

What is the range in temperatures if the high temperature is 78 degrees and the low temperature is -23 degrees?

55 degrees

101 degrees

45 degrees

91 degrees

5.

Multiple Choice

3 mins

1 pt

What is the range in temperature for a low temperature of -10 degrees and a high temperature of -5 degrees?

-15 degrees

15 degrees

-5 degrees

5 degrees

6.

Multiple Choice

3 mins

1 pt

The temperature at 6:00 was 9 degrees below zero. The temperature dropped to 11 degrees below zero at 8:00. What is the difference between temperatures?

18 degrees

20 degrees

2 degrees

0 degrees

7.

Multiple Choice

1 min

1 pt

When adding rational numbers with the same sign, you must:

Subtract and keep the sign of the biggest number

Add together and keep the sign

Keep, change, switch

Add the opposite

8.

Multiple Choice

1 min

1 pt

The numbers 0, 1, 2, 3, ... are called

whole numbers

integers

rational numbers

natural numbers

9.

Multiple Choice

1 min

1 pt

Numbers like -3, -2, -1, 0, 1, 2, 3 are called

whole numbers

integers

rational numbers

natural numbers

10.

Multiple Choice

1 min

1 pt

A rational number can be written as a fraction.

True

False

11.

Multiple Choice

1 min

1 pt

-9 is an integer

True

False

12.

Multiple Choice

1 min

1 pt

-3.5 is an integer

True

False

13.

Multiple Choice

3 mins

1 pt

Which statement is true?

Every rational number is an integer

Every whole number is a counting number

Every integer is a whole number

Every whole number is a rational number

14.

Multiple Choice

1 min

1 pt

What type of number is π ?

Rational

Irrational

15.

Multiple Choice

1 min

1 pt

Which number is a rational number ?

1/4

π

√3

∛25

16.

Multiple Choice

1 min

1 pt

.141414141414...

Rational

Irrational

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