Multiplying by 10
An airplane has 50 rows of seat. Each row has 4 seats. How many are on the plane?
a. 20 seats b. 54 seats c. 200 seats d. 250 seats
Nathan has 4 bags. In each bag there he has 6 toy cars. How many cars does he have all together?
a. 10 cars b. 12 cars c. 24 cars d. 36 cars
c. 24 cars
10. John has 12 marbles. He shares the marbles equally among himself and three friends. Which choice shows how to find the number of marbles that John and each of his friends will have?
a. 12 x 4 b.12 x 3 c. 12 -: 3 d. 12 -: 4
d. 12 -: 4
3 x 3
9
14. In this equation the 7= 21 △ . In which choice does the △ represent the same number?
a. 7 -: 21 = △
b. △ -: 21=7
c.7 x 21 = △
d. △ X 7=21
d. △ X 7=21
2. One bag can hold 20 apples. How many apples can 8 bags hold?
a. 16 apples b.28 apples c.160 apples d.240 apples
c. 160 apples
Oscar rode his bicycle on a trail. The trail was 9 miles long. He rode each mile in 8 minutes. How many minutes did it take Oscar to complete the trail?
a. 72 minutes b.81 minutes c.90 minutes d.99 minutes
8. Maksim and his friends collected 63 rocks. Each person collected 9 rocks. How many people collected rocks?
a. 7 b. 8 c. 72 d. 81
a. 7
6 x 4
24
32 -: 8
4
3. At Polenta there are 9 fifth grade classrooms. Each classroom has 30 students. How many students are in the fifth grade?
a. 27 students b.39 students c.270 students d.390 students
c. 270 students
9.
Which answer choice shows two correct ways to arrange 21 pennies in equal rows?
a. 2 rows of 1, or 1 row of 2
b. 7 rows of 3, or 3 rows of 7
c. 8 rows of 3, or 3 rows of 8
d. 20 rows of 1, or 1 row of 20
b. 7 rows of 3, or 3 rows of 7
15. Troy and his dad built a dog house. It took them and his dad 48 hours to build the dog house. They worked on the dog house 6 hours each week. How many weeks did it take Troy and his dad to build the dog house
a. 6 b. 7 c. 8 d.9
b.7
7 x 3
21
28 -: 4
7
4. Which problem does n=40?
a. 7 x n=140 b. n x 2= 800 c. 4 x n=160 d. n x 5= 200
c. 4 x n=160
6. Mrs. Miodusewski gives each of her students 3 markers. She has 20 students. How many markers does she give her students altogether?
a. 23 b. 50 c. 60 d.63
c. 60
15. Makenzie has 15 L.O.L Surprise dolls. She wants to place them equally on 3 shelves. Which equation can Makenzie use to find the number of cars to place on the shelf?
a. 15 - n = 3 b. 3 x n= 15 c. 15 + 3= n d. n -: 15 =3
d. n -: 15 =3
6 x 7
42
36 -: 9
4
This shows an equation.
𖹁 -:10 = 70
Which expression finds the value of 𖹁 ?
a. 10 + 7 b. 10 - 7 c. 10 -: 7 d. 10 x 7
d. 10 x 7
7. Elizabeth read a book for a total of 200 minutes over 6 days. She read 30 minutes on each of the first 5 days. For how many minutes did Elizabeth read on the 6th day?
a. 50 b. 70 c.150 d.170
a. 50
13. NaaMiyah is studying for a root word test. She has 36 words to study. She plans to divide the words into equal groups and study a different group each day for 4 days. How many words will Ava study each day?
a. 8 b.7 c. 6 d.9
d. 9
9 x 9
81
30 -: 5
6