Multiplication by 10s and 100s
3 x 10 =
30
70 ÷ 10 =
7
21 x 5 =
105
A rectangle has side lengths of 4in. and 6in. What is the area?
24 square inches
33 ÷ 3 =
11
5 x 100 =
500
300 ÷ 100 =
3
55 x 4 =
220
A rectangle has side lengths of 10in. and 3in. What is the area?
30 square inches
70 ÷ 2 =
35
25 x 10 =
250
2,000 ÷ 10 =
200
32 x 6 =
192
A rectangle has side lengths of 4 in and n in.The area is 20 square inches. What is the value of n?
5 inches
100 ÷ 4 =
25
6 x 100 =
600
3,400 ÷ 100 =
34
22 x 35 =
770
A rectangle has side lengths of 7 in and r in.The area is 28 square inches. What is the value of r?
4 inches
What is the "left over part" called when we divide?
The remainder
31 x 100 =
3,100
51,000 ÷ 100 =
510
47 x 63 =
2,961
What is the formula for area?
A = l x w
What is the answer called when we divide?
The quotient