4 x ____ = 40
10
25 X 25
625
The following expresses which property of multiplication?
6x4=24 or 4x6=24
Commutative property.
If there are 7 groups and in each group there are 4 students. How many students are there in all?
7 x 4= 28 students.
8 groups of 2 = ____ x ___ = ____
8 x 2 = 16
25 X 11
275
The following expresses which property of multiplication?
8 × 7 = 8 × (5 + 2) = (8 × 5) + (8 × 2)
= 40 + 16
= 56
Distributive property
If one basket has 6 apples and there are 90 such baskets. How many apples are there in all?
6 x 90 = 540 apples
3 x _____ x 5 = 150
10
125 X 6
750
The following expresses which property of multiplication?
3 × ( 5 × 2) = 30 or (3 x 5) x 2 = 30
Associative property.
At a party, Jack orders 156 pizzas, and each pizza is cut into 4 slices. How many slices of pizza are there in total?
156 x 4 = 624 slices
9 X _____ = 63
7
500 X 3
1500
Fill in the missing number.
4 x 6 = 4 x (_ + 2) = (4 x _) + (4 x 2) = 16 + 8 = 24
4
A bookstore sells notebooks in packs of 15. If a school orders 27 packs, how many notebooks does the school receive in total?
15 x 27 = 405 notebooks
2 x 100=
200
45 X 9
405
Is the following true?
3 x (5 x 6) = 90 is same as (3 x 5) x 6 = 90
True
A factory produces 256 toy cars each day. If the factory operates for a week, how many toy cars are produced in a week?
256×7=1792 toy cars