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IM: 7.5.10: Multiply! (Practice)

Last updated 9 months ago
21 questions
Evaluate each expression:
1

-12\cdot\frac{1}{3}

1

-12\cdot-\frac{1}{3}

1

12\cdot(-\frac{5}{4})

1

-12\cdot(-\frac{5}{4})

Evaluate each expression:
1

-1\cdot2\cdot3

1

-1\cdot(-2)\cdot3

1

-1\cdot(-2)\cdot(-3)

1

Order each set of numbers from least to greatest.

  1. 4
  2. -2
  3. 0
  4. -6
  5. 8
1

Order each set of numbers from least to greatest.

  1. -5.2
  2. 5.5
  3. \frac{-5}{2}
  4. -5
  5. -5\frac{1}{2}
30+-30=0
1

Write another sum of two numbers that equals 0.

1

Write a sum of three numbers that equals 0.

1

Write a sum of four numbers that equals 0, none of which are opposites.

A submarine is searching for underwater features. It is accompanied by a small aircraft and an underwater robotic vehicle.

At one time the aircraft is 200 m above the surface, the submarine is 55 m below the surface, and the underwater robotic vehicle is 227 m below the surface.
1

What is the difference in height between the submarine and the aircraft?

1

What is the distance between the underwater robotic vehicle and the submarine?

Solve the cycling problem:
1

Clare is cycling at a speed of 12 miles per hour. If she starts at a position chosen as zero, what will her position be after 45 minutes?

1

Han is cycling at a speed of -8 miles per hour; if he starts at the same zero point, what will his position be after 45 minutes?

1

What will the distance between them be after 45 minutes?

Fill in the missing numbers in these equations
1

(-7)\cdot?=-14

1

?\cdot3=-15

1

?\cdot4=32

1

-49\cdot3=?