Word Problems
Commutative Property
Arrays
2 x Facts
5 x Facts
100
Frank has 4 pumpkins and each of these pumpkins has 2 leaves.
What is the multiplication problem?
How many leaves are in all?
4 x 2 =
8
100
What other way can I write this problem?
5x6
6x5
100
Which array shows 2x2=4?
E
100
2 x 4 =
8
100
5 x 1 =
5
200
Shelly has 3 bags of toys for her friends. If each bag has 5 toys, will she have enough toys to give one to each of her 10 friends?
Yes, she will have 15 toys.
200
What other way can I write 4x7?
7x4
200
What is the expression for this array?
3x5=15
200
2 x 5 =
10
200
5 x 3 =
15
300
If Tom has a car collection of 10 cars and each car has four wheels, how many total wheels are in his collection? What is the multiplication problem?
40
10 x 4 =
300
If
9x2=18,
then
2x ? =18
9
300
What two expressions can be used to describe these arrays?
4x5=20
5x4=20
300
6 x 2 =
12
300
5 x 7 =
35
400
If a pie recipe needs 12 apples and each bag apples has 5 apples, would 2 bags be enough? Explain your answer.
No, 2 bags of apples would only be 10 apples. Another bag of apples would be needed!
400
If
? x 5=15,
then
5x3= ?
15
400
Write the expression for this array.
9x6=54
400
2 x 8 =
16
400
5 x 9 =
45
500
If Julia has 3 dogs and each dog eats 1 cup of food 2 times a day, how many cups of food do the dogs eat each day?
3 x 2 = 6 cups
500
Look at 6x3 and 3x6. How does the order of the factors change the product?
It doesn't.
500
This array has many different arrays put into one. Use the different colors to find the amount this array shows. (tip: do several arrays and add them together).
32
500
2 x 10 =
20
500
5 x 10 =
50