The product of a number and any other counting number is a _______________.
What is a multiple?
The product of any number and 1 is that number.
10 × 1 = 10 1 × 2 = 2
What is the Multiplication Property of One?
Write all of the related facts for 3,4,12.
3 x 4 = 12
3 x 4 = 12
12 ÷ 4 = 3
12 ÷ 3 = 4
9 × 5 =? 45
True
A store has cans in 5 rows. Each row has 2 cans. The next day, 5 of the cans are sold. How many cans are left?
What are 5 cans?
Changing the grouping of factors does not change the product.
What is the Associative Property of Multiplication?
The product of any number and 0 is 0.
5 × 0 = 0 0 × 2 = 0
What is the Multiplication Property of Zero?
Write all the related facts for 12, 6, 72
12 x 6 = 72
6 x 12 = 72
72 ÷ 6 = 12
72 ÷ 12 = 6
27 ÷ 9 =? 36 ÷ 4
What is false?
A pack of gum has 5 pieces. You have 3 packs of gum and give 4 friends each 1 piece. How many pieces of gum do you have left?
What is 11 pieces left?
The answer when you divide one number by another number is called the ____________.
What is the quotient?
Changing the order of factors does not change the product.
4 × 3 = 12
3 × 4 = 12
So, 4 × 3 = 3 × 4.
What is the Commutative Property of Multiplication?
Solve 12 x 4, and write their related facts.
12 x 4 = 48
4 x 12 = 48
48 ÷ 4 = 12
48 ÷ 12 = 4
10 × 3 =? 5 × 6
What is True?
You drink 2 cups of water four times a day. How many cups of water do you drink in 3 days?
What is 24 cups?
Groups that have the same number of objects.
What are equal groups?
Use the Distributive Property to solve: 11 x 3
Answers may vary.
11 x 3 = (10 + 1) x 3
(10 x 3) + (1 x 3)
30 + 3 = 33
Solve 12 x 12, write the related facts.
12 x 12 = 144
144 ÷ 12 = 12
48 ÷ 8 =? 6 × 0
What is false?
Janine and 9 friends go to the movies. They each pay the same amount for the movie ticket and snacks. The total amount is $90. How much, in dollars, did each person pay for their trip to the movies?
What is 10 dollars?
10 divided by 9
A group of related facts that uses the same numbers
3 × 2 = 6
2 × 3 = 6
6 ÷ 3 = 2
6 ÷ 2 = 3
What are fact families?
Use the Distributive Property of addition to solve
12 x 9 = ____
Answers may vary.
12 x 9 = (10 + 2) x 9
(10 x 9) + (2 x 9)
90 + 18 = 108
Write the related facts for 13 x 2.
13 x 2 = 26
2 x 13 = 26
26 ÷ 2 = 13
26 ÷ 13 = 12
4 × 3 =? 120 ÷ 10
What is True?
A music teacher has 12 new recorders for his students. He also buys 6 boxes of recorders. Each box has 10 recorders. How many recorders does he have now?
What is 72 recorders?