Multiplication
Which equation shows the commutative property of multiplication? Chose one and explain why.
A) 8 + 4 = 4 + 8
B) 3 x 7 = 3 x 7
C) 9 + 5 = 9 + 5
D) 2 x 6 = 6 x 2
The correct answer is D because the commutative property of multiplication says that you can change the order of the factors and the product stays the same.
What do we call the answer in a division equation?
Quotient
How many equations are in a fact family?
Four. Two multiplication equations and two division equations.
Skip count by 2's until 30
2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30
Mrs. Manresa is planting flowers in her garden. She makes 6 rows and puts 8 flowers in each row. How many flowers does she have altogether? Show your work using part, part, total and write your answer in a sentence.
Part- 8
Part- 6
Total ?
Mrs. Manresa has 48 flowers in her garden.
Solve the following equation using the break apart method for the factor 6
5 x 6 = ____
(5 x 3) + (5 x 3) = 30
(5 x 2) + (5 x 4) = 30
(5 x 1) + (5 x 5) = 30
Solve the following equation using equal groups.
32 ÷ 8 = ___
4
What is the missing number in the fact family?
4 x 5 = ___
5 x 4 = ___
___ ÷ 5 = 4
___ ÷ 4 = 5
20
What comes next?
9, 18, ...
27, 36, 45, 54, 63, 72, 81, 90
Ms. Witter went to the pet store and got 32 fish. She wants to put an equal number of fish into 4 different tanks. How many fish will be in each tank? Show tour work using part, part, total and write your answer in a sentence.
Part- 4
Part ?
Total- 32
Ms. Witter will put 8 fish into each tank.
Solve the following equation using the associative property to group 2 of the factors.
6 x 2 x 3
6 x (2 x 3)
6 x 6
36
Solve the following equation using any strategy. Show your work.
45 ÷ 9 = ___
5
What is the missing equation in this fact family?
2 x 3 = 6
3 x 2 = 6
6 ÷ 2 = 3
6 ÷ 3 = 2
What comes next?
7, 14, 21, ...
28, 35, 42, 49, 56, 63, 70
Sheafe Road is setting up chairs for a play in the gym. They can arrange the chairs into 4 rows with 10 chairs in each row. Mr. Rund says they can use the expression 4 x 10 to find the total number of chairs they need. Mrs. Watson says she knows another expression they can use to find the total number of chairs. What is expression Mrs. Watson uses?
10 x 4
Commutative property of multiplication!
Use the area model or the standard algorithm to solve the following equation.
34 x 4
136
Solve the following equation using any strategy.
22 ÷ 2 = ___
11
What number makes the ? true in each equation?
8 x ? = 24
24 ÷ 8 = ?
? = 3
What rule does this pattern follow?
*table in Google Slides :)
add 5
The cafeteria receives a shipment of juice boxes. There are 2 large crates. Inside each crate, there are 5 packs of juice. Each pack contains 6 juice boxes. How many juice boxes are there in all? Show your work and write your answer in a sentence.
(2 x 5) x 6
10 x 6 = 60
The cafeteria received 60 juice boxes in all.
What is 5,000 x 2?
10,000
Solve the following equation using equal groups.
72 ÷ 8 = ___
9
Solve the following multiplication equation. Write all the equations in the fact family.
7 x 9 = ___
7 x 9 = 63
9 x 7 = 63
63 ÷ 9 = 7
63 ÷ 7 = 9
What rule does the pattern follow? What are the next two numbers in the pattern?
*table in Google Slides :)
add 6
32 and 38
Which word problem can be used to solve 27 ÷ 3 = 9?
A) Sarah has 3 baskets of apples. There are 27 apples in each basket? How many apples does Sarah have altogether?
B) Sarah has 27 apples. She makes 3 apple pies. When she is finished, she has 9 apples left. How many apples did she use to make the apple pies?
C) Sarah has 27 apples. She gives an equal number of apples to her 3 friends. How many apples does each friend get?
D) Sarah uses 3 apples to make apple sauce. Then she uses 9 more apples to make a smoothie. How many apples does she use in all?
C
Keywords- "gives," "equal number," "each"
Part, Part, Total- We know the total number of apples she has, which is 27!