Understanding Multiplication and Division
Write the fact families for these numbers:
4 12 3
4 x 3 = 12
3 x 4 = 12
12 / 4 = 3
12 / 3 = 4
Name the property:
7 x 8 = 8 x 7
Commutative Property of Multiplication
6 times as many as 5
6 x 5 =
30
Which factor of 12 is missing in the list of numbers?
1, 2, 3, __, 6, 12
4
34,543 + 23,834
58,377
Miss Fletcher has a huge garden. She has 4 rows of pumpkins and 8 are in each row. How many pumpkins are in the garden?
32
Solve:
4 x 2 x 5
40
Miss Cleveland had 18 pencils. That is 3 times as many as Miss Wilson. How many pencils does Miss Wilson have?
18 / 3 =
6
6 is a factor AND multiple of 18.
TRUE or FALSE?
TRUE
6, 12, 18 (Multiple)
6 x 3 = 18 (Factor)
Round to the nearest hundred:
6,784
6,800
Miss Jones is making cookies this weekend. She plans on arranging the cookies in 5 rows and putting 7 cookies in each row. How many cookies will she make?
35
Solve:
3 x 7 x 1
21
4 times as much as 8
4 x 8 =
24
List the first five multiples of 8.
8, 16, 24, 32, 40
1,000 less than 67,935
66,935
Find the unknown:
36 ÷ 4 = n
4 x n = 36
9
(1 x any number is always the other number)
This is the Identity Property of Multiplication.
My sister has 7 toys. My brother has 21 toys. How many times more toys does my brother have than my sister?
3 times more
Find ALL of the factors of 16.
1, 2, 4, 8, 16
1 x 16 ; 2 x 8 ; 4 x 4
32,007 - 12,434
19,573
Sally wants to share 18 grapes equally among herself and two friends. How many grapes will each person receive?
6 grapes
18 / 3 = 6
Find the unknown:
0 ➗ 6= s
0 x 7= s
0
9 times as much as 4
9 x 4 =
36
Which number only has 3 factors?
6 9 11 8
9
1 x 9 ; 3 x 3
1, 3, 9
34,874 < 34,8_4
8 or 9