Adding/Subtracting
Multiplying/Dividing
Converting to a Decimal
Choose the Operation to Solve the Problem
Vocabulary
100
64 + (-15) Lesson 1-3
49
100
-15 x 12 Lesson 1-6
-180
100
Convert 4/5 to a decimal. Lesson 1-2
0.8
100
Peter signed up for a program that costs $10.50 per month to stream movies to his computer. He decided to cancel his service after 5/6 month. He only has to pay for the amount of time he used the service. What number represents the total change in the amount of money Peter has after paying for the service? Lesson 1-10
-$8.75
100
Counting numbers, their opposites, and 0
integers
200
-121 + (-34) Lesson 1-3
-155
200
-94/4 Lesson 1-8
-23 1/2
200
Convert 19/3 to a decimal. Lesson 1-2
6.3 repeating
200
In 5 rounds of a game, Jill scored -3, 8, 9 -7, and 13. What integer represents her average score for the 5 rounds? Lesson 1-10
4
200
Any number that can be written in the form a/b, where a and b are integers and b does not equal 0.
rational number
300
-86 + 92 Lesson 1-3
6
300
Jason spends $2.35 to buy lunch at school. If he buys a lunch on 9 days, what number represents the total change in the amount of money Jason has? Lesson 1-7
-$21.15
300
Convert 9/11 to a decimal. Lesson 1-2
0.81 repeating
300
Marcelo played a carnival game 6 times. He spent 3 tokens to play each game, and won 7 tokens each game. Write an expression that can be used to find the total profit in tokens that Marcelo made. Lesson 1-10 p. 68
6(7 + (-3)) 6(-3 + 7) 6(7) + 6(-3)
300
Part 1: On a cold winter morning, the temperature was -4°F. By noon, the temperature increased 4°. What was the temperature at noon? Part 2: What term describes the relationship between -4 and 4?
0 degrees F; additive inverses
400
-1/8 - 0.356 Lesson 1-5
-0.481
400
A boat drops an anchor 17.5 feet to the bottom of a lake. If the anchor falls at a rate of 0.07 feet each second, how long will it take the anchor to reach the bottom of the lake? *Don't forget your unit! Lesson 1-9
250 seconds
400
11/12 Lesson 1-2
0.916 repeating
400
The temperature of a pot of water is 180.3 degrees F. The temperature of the water changed -2.5 degrees F per minute. What was the temperature after 20 minutes? Lesson 1-10 p. 68
130.3 degrees F
400
A fraction a/b where a and/or b are fractions and b is not equal to 0.
Complex fraction
500
Penelope has a birdhouse that is 4 9/10 feet above the roof of her garage. She has a second birdhouse that is 5.36 feet below the roof of her garage. What is the distance between the birdhouses? Lesson 1-5
10.26 feet
500
-3.6 divided by 2 1/7 Lesson 1-9
-1 17/25
500
Greg bought 19 11/16 gallons of gas. What decimal should the meter on the gas pump read? Lesson 1-2
19.6875
500
Maggie spent $4.05 on cheese and fruit at the farmer’s market. She bought 1/8 pound of apples, 1/4 pound of pears, and 1.25 pounds of bananas. If fruit cost $0.80 per pound, how much did Maggie spend on cheese?
$2.75
500
Two numbers whose product is 1
reciprocals multiplicative inverses
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