Mental Math
1,000 X 25 = ?
25,000
49 ÷ 7 = ?
7
9 X 8 = ?
72
Complete the fact family of:
3, 9, 27
27 ÷ 3 = 9
27 ÷ 9 = 3
9 X 3 = 27
3 X 9 = 27
What is the answer in division?
quotient
810 / 9 = ?
90
54 ÷ 6
9
7 x 11 = ?
77
Complete the fact family of:
8 , 5, 40
5 x 8 = 40
8 x 5 = 40
40 ÷ 5 = 8
40 ÷ 8 = 5
What is the answer in multiplication?
product
30 X 60 = ?
1,800
45 ÷ 9 = ?
5
32
Write the fact family of:
7, 8, ?
8 X 7 = 56
7 x 8 = 56
56 ÷ 8 = 7
56 ÷ 7 = 8
Which number is the divisor?
40 ÷ 5 = 8
5
2,700 / 3 = ?
900
56 ÷ 8 = ?
7
70 x 400
28,000
The family fact of
30, 10, ?
30 ÷ 3 = 10
30 ÷ 10 = 3
10 X 3 = 30
3 X 10 = 30
Which number is the dividend?
80 ÷ 10 = 8
80
2,000 X 500 = ?
1,000,000
250 ÷ 5
50
6,000 x 7,000
42,000,000
Write the fact family of:
240, 60, ?
60 x 4 = 240
4 x 60 = 240
240 ÷ 60 = 4
240 ÷ 4 = 60
How are division and multiplication related?
Division is the inverse (opposite) of multiplication.
Multiplication: Turning equal groups into a whole
Division: Splitting a whole into equal groups