Multiply and divide by 3
3 x 4 =
7 x 3 =
3 x 8 =
5 x 3 =
12
21
24
15
8 x 4 =
5 x 4 =
4 x 6 =
7 x 4 =
32
20
24
28
8 divided by 1 =
8
There are a total of 12 slices of pizza. Each pizza is cut into 4 slices. How many pizzas are there? Write a number sentence to solve.
Bonus: Write the rest of the fact family for the number sentence.
12 divided by 4 = 3 pizzas
A _____________ us a fact you have memorized.
decompose, Identity property of multiplication, inverse operations, known fact, Zero property of multiplication
Known fact
15 divided by 3 =
27 divided by 3 =
21 divided by 3 =
5
9
7
Find the unknown.
9 x ____ = 36
36 divided by 4 = _____
4
9
0 divided by 2 = ______
1 divided by 1 = ______
0
1
A van has 4 rows of seats, and each row holds 3 people. How many people can the van hold? Write a number sentence to solve.
4 x 3 = 12 people
____________ means to take a number apart.
decompose, Identity property of multiplication, inverse operations, known fact, Zero property of multiplication
decompose
30 divided by 3 = ____
3 x ___ = 30
10
Find the unknown.
_____ x 2 = 8
_____ divided by 4 = 2
4
8
Find the unknown.
9 divided by 9 = ____
9 x ____ = 9
1
Mika rides his bike 3 miles each way to his friends's house. How many miles does he ride his bike there and back? write a number sentence to solve.
3 x 2 = 6 miles
Multiplication and division are ______________ because they undo each other.
decompose, Identity property of multiplication, inverse operations, known fact, Zero property of multiplication
inverse operations
18 divided by 3 =____
3 x _____ = 18
______________________________________
15 divided by 3 = ___
3 x _____ = 15
6
_____________
5
24 divided by 4 =
6
Find the unknown.
0 divided by 6 = _____
6 x _____ = 0
Bonus: what does the Zero property of multiplication say? (write in on white boards)
0
Bonus: If says that when you multiply by 0, the product is 0.
Four campers divide 24 marshmallows. Each s'more uses 2 marshmallows. How many s'mores can each camper have?
3 s'mores
The _______________ says that when you multiply a number by 0, the product is zero.
decompose, Identity property of multiplication, inverse operations, known fact, Zero property of multiplication
Zero property of multiplication
Elise served herself and 2 friends 24 ounces of juice. She poured the same amount of juice in each glass. How many ounces of juice were in each glass?
8 ounces
28 counters
4 equal groups
How many are in each group?
7 counters
Write a division sentence as an example of each rule.
1: when a number is divided by 1, the quotient is that number.
2: when a number is divided by itself, the quotient is 1.
3: when 0 is divided by a nonzero number, the quotient is 0.
answer may vary
examples below:
4 divided by 1 = 4
5 divided by 5 = 1
0 divided by 3 = 0
Ollie shared 24 marbles evenly with 3 friends. Katelyn shared 18 marbles evenly with 2 friends. Did Ollie or Katelyn's friends get more marbles? Explain.
Everyone got 6 marbles. 24 divided by 4 = 6 and 18 divided by 3 = 6
The ________________ says that when any numbers is multiplied by 1, the product is that number.
decompose, Identity property of multiplication, inverse operations, known fact, Zero property of multiplication
Identity property of multiplication