Write the Number
6 tens
60
2 x 10 = ?
20
Rewrite the equation using a multiple of 10 with 3 factors.
5 x 40
possible answer:
5 x 4 x 10
Complete the equation.
(5 × 3) × 10 = 5 × (___ ×___ )
(3 × 10)
OR
(10 × 3)
Isabella has 2 stacks of books. She has 10 books in each stack. How many books does Isabella have?
2 x 10 = 20 books
12 tens
120
3 x 30 = ?
90
Rewrite the equation using a multiple of 10 with 3 factors.
4 x 30
possible answer:
4 x 3 x 10
Complete the equation.
(6 × 2) × 10 = 6 × (___ ×___ )
(2 × 10)
OR
(10 × 2)
Olivia has 7 bags. She puts 20 coins in each bag. How many coins does Olivia put in bags?
7 x 20 = 140 markers
20 tens
200
5 x 40 = ?
200
Rewrite the equation using a multiple of 10 with 3 factors.
6 x 60
possible answer:
6 x 6 x 10
Complete the equation.
(8 × 4) × 10 = 8 × (___ ×___ )
(4 × 10)
OR
(10 × 4)
Bryan places his markers into 3 groups. He has 10 markers in each group. How many markers does Bryan have?
3 x 10 = 30 markers
36 tens
360
6 x 70 = ?
420
Rewrite the equation using a multiple of 10 with 3 factors.
4 x 90
possible answer:
4 x 9 x 10
Complete the equation.
7 × ____ = 7 × 6 × 10
60
Maria has 9 packages of pretzels. There are 20 pretzels in each package. How many pretzels does Maria have?
9 x 20 = 180 pretzels
50 tens
500
9 x 80 = ?
720
Rewrite the equation using a multiple of 10 with 3 factors.
6 x 50
possible answer:
6 x 5 x 10
Complete the equation.
8 × ____ = 8 × 4 × 10
40
Lance has 4 boxes of comic books. Each box has 10 comic books in it.
Which equations could Lance use to find the total number of comic books, c?
A. 4 + 10 = c
B. 4 × 10 = c
C. (2 + 2) × 10 = c
D. (2 × 10) + (2 × 10) = c
E. (2 × 10) × (2 × 10) = c
4 x 10 = 40 (B, C, and D)
A. 4 + 10 = 14
B. 4 × 10 = 40
C. (2 + 2) × 10 = 4 x 10 = 40
D. (2 × 10) + (2 × 10) = 20 + 20 = 40
E. (2 × 10) × (2 × 10) = 20 x 20 = 400