Math review

A1) Write an equation for the multiplicative comparison. 6 times as many as 2 is 12.

• 6 x 2 = 12

• 6 = 2 x 12

• 2 = 6 x 12

• 6 x 6 = 12

Write an equation: 42 is 6 times as many as 7.

• 42 x 6 = 7

• 42 = 6 x 7

• 42 x 7 = 6

• 6 x 6 = 42

7 x 6,000

• 1,000

• 13,000

• 24,000

• 42,000

3 x 50

• 53

• 80

• 150

• 15

Mohammed arranged his pennies in the following display. How many pennies does he have in all?

• 90 pennies

• 91 pennies

• 19 pennies

• 20 pennies

Last month Amina trained 3 times as many dogs as cats. If the total number of cats and dogs she trained last month is 28, how many cats did Amina train? Which of these is the correct equation?

• 4 x n = 28

• 3 x n = 28

• 4 x 28 = n

• 3 x 28 = n

A maze at a county fair is made from 275 bales of hay. The maze at the state fair is made from 4 times as many bales of hay. How many bales of hay are used for the maze at the state fair?

• 279 bales of hay

• 271 bales of hay

• 110 bales of hay

• 1,100 bales of hay

Maryam’s work is 9 miles from her house. She flies to see a friend on vacation. She flies to a city that is 200 times farther from her house than her work is. How far is the city from Maryam’s home?

• 18 miles

• 180 miles

• 1,800 miles

• 18,000 miles

Write a multiplicative equation for the given addition equation:

 5 + 5 + 5 + 5 + 5 + 5

• 3 x 5

• 4 x 5

• 5 x 5

• 6 x 5

Write a multiplicative equation for the given addition equation:

                    12 + 12 + 12 + 12 + 12

• 6 x 12

• 5 x 12

• 4 x 12

• 3 x 12