Unit 1 Interim Review

adding and subtracting integers

100

-3+-7=

-10

200

-14+15+-4=

-3

300

• MA7.NR.1.2)  Monica is playing the integer game. She must get a sum of 0 when holding 4 cards to win. What card can she draw next to win the game?
• -3, 4, 10, ?

-11

400

• Danni has $18.52 in her school lunch account. She spends $10.75 on lunches and deposits $8.50. What is her new balance?
• 
  

$16.27

500

• Lilly was watching a game show where a contestant had 60 points and then had 5 turns where he scored -10 points on each turn. Then she stopped watching. What was the contestant's score when Lilly stopped watching the show? (hint: includes multiplication too)

10

additive inverse

100

What is the additive inverse of -9

9

200

• MA.7.NR.1.1) A scuba diver is at -15.5 meters in the water. What situation would bring the scuba diver to sea level?

• Swimming toward the surface 15.5 meters

300

What two words other than additive inverse and zero pair could be used to describe 3 and -3 on a number line.

opposite and equidistant

400

-19+its additive inverse = what number?

0

500

A diver's position is −32 feet. He then moves by the additive inverse of his position. Where is he now?

0 or the surface

multiplying and dividing integers

100

• As a winter storm moved in, the temperature dropped 2°F each hour for 4 hours. What was the total temperature change after the 4 hours?

-8

200

• The price of Takis increased by $5.50 yesterday. If the price of Takis continues to change at the same rate each day, what will be the total change over 5 days?

27.50

300

• The temperature fell 45°F in 9 hours. If the temperature fell at the same rate every hour, which represents the change in temperature each hour?

-405

400

• A soup kitchen cooks up a total of 400 cups of soup. If their standard serving size is 2.5 cups, how many servings can they hand out, at most?

160

500

3/6 divided by -9/20 =

-9/10

property rules

100

• Which of the following equations demonstrates the commutative property of addition?
• 6 + (2 + 7) = (6 + 2) + 7
• 7 + 0 = 7
• 3 (1 + 5) = 3 + 15
• 2 + 7 = 7 + 2

2+7=7+2

200

• Which property is being used in the second line?
• Line 1: (3.8 x -1) x -7
• Line 2: 3.8 x (-1 x -7)
• Line 3: 3.8 x 7
• Line 4: 26.6

associative property

300

• Which of the following equations demonstrates the identity property?
• 6 + (2 + 7) = (6 + 2) + 7
• 7 + 0 = 7
• 3 (1 + 5) = 3 + 15
• 2 + 7 = 7 + 2

7+0=7

400

• Which of the following equations demonstrates the distributive property?
• 6 + (2 + 7) = (6 + 2) + 7
• 7 + 0 = 7
• 3 (1 + 5) = 3 + 15
• 2 + 7 = 7 + 2

3(1+5)=3+15

500

Just kidding its a complex problem!

Marcie works part-time in an ice cream shop. She makes a monthly salary of $250. She spends 0.60 (hint: think percent) of her salary on gas for her car. How much does Marcie have left at the end of the month for her other expenses?

$100

integer properties and equivalence

100

Which decimal is equivalent to 1/3?

0.333333...

200

What is the distance between -8 and -1 on a number line?

7

300

Convert 82% to a fraction

82/100

400

Rewrite the expression using addition

-8.2 - 3.7

-8.2+(-3.7)

500

Write a fraction that is equivalent to 4/5

-4/-5