7th Grade : Cambridge Mathematics - Unit 1 Integers

A soccer team is having a car wash. The team spent $55 on supplies. They earned $275, including tips. The team's profit is the amount the team made after paying for supplies. Write a sum of integers that represents the team's profit.

• -55 + 275 = -220

• -55 + 275 = 220

• None

• 55 + 275 = 220

A football team gained 9 yards on one play and then lost 22 yards on the next. Write a sum of integers to find the overall change in field position.

• None

• 9 + (-22) = -13

• 9 + 22 = 31

• -9 + (-22) = -31

At 2pm, the temperature was 15 degrees. By midnight, the temperature dropped by 30 degrees. What is the temperature at midnight?

• -15 degrees

• 45 degrees

• -45 degrees

• 15 degrees

What is the absolute value of -7?

• 7

• -7

• None

• 1/7

Thomas works as an underwater photographer. He starts at a position that is 15 feet below sea level. He ascends 9 feet because he chases a turtle and then descends 12 feet to take a photo of a coral reef. Find his position relative to sea level when he took the photo?

• 36 feet below sea level

• 6 feet below sea level

• 18 feet below sea level

• None

Jose earned 50 points in a video game. He lost 40 points, earned 87 points, then lost 30 more points. What is his final score?

• 207

• 57

• 33

• 67

Find LCM of 8 and 12

• 4

• 36

• 24

• 16

Find LCM of 18, 9 and 4

• 1

• 36

• 48

• 72

Find all factors of 36

• 1, 2, 4, 6, 9, 18, 36

• 1, 2, 3, 6, 12, 16, 18, 36

• 1, 2, 3, 4, 6, 9, 12, 18, 36

• 1, 2, 3, 4, 6, 9, 12, 16, 18, 36

Find Common Factors of 24 and 16

• 1, 2, 4, 8

• 1, 2, 3, 8

• 1, 2, 16, 24

• 1, 4, 8