Multiply by 2
2x9=
18
7x5=
35
10x6=
60
Give the definition or an example of a product.
The answer to a multiplication problem.
Ex. 2x3=6
6 is the product.
2x20=
2x____tens=
=____tens
40
2tens
4tens
2x6
Create an array for this multiplication equation.
12
5x5=
25
10x8
80
A factor is a number that is being multiplied in a multiplication equation.
Ex. 2x3=6
2 and 3 are the factors
5x50=
5x___tens=
250
5 tens
10x2
Create equal groups for this problem.
20
Create an array for this equation and solve.
5x6=
30
100/10
Create equal groups for this equation.
10
What is a mutliple?
Bill has 10 shirts. Each shirt has 2 buttons. How many buttons are there in all? Write the multiplication equation and draw a picture.
2x10=20 buttons
2+2+2+2+2+2+2=
Write the multiplication equation for this repeated subtraction equation.
2x7=14
40/5=
Show this in equal groups.
40
90/10=
Complete the fact family for this fact.
9
90/9=10
9x10=90
10x9=90
What is an inverse operation?
The opposite operation, or to undo an operation. Such as, multiplication is the inverse operation of division.
2x90=
2x(9x10)=(2x9) x10
=18x10
Solve and explain if this is a true statement. ***Bonus points if you can identify the property.
180
Yes, it is true.
Associative property states that in multiplication it does not matter which way the factors are multiplied.
2x5=
Write the repeated subtraction equation for this multiplication equation.
2+2+2+2+2=10
50/5=
Create the fact family for this fact.
10
50/5=10
5x10=50
10x5=50
70/10=
Solve and complete the repeated subtraction strategy for this equation.
7
70-10=60 40-10=30
60-10=50 30-10=20
50-10=40 20-10=10
10-10=0
Name the at least 5 multiplication or division strategies.
arrays
repeated subtraction/addition
equal groups
related facts
number line
Carlita collected 2 boxes of teddy bears. Each box holds 20 bears. She sells each bear for $2. How much money did she earn. Write the multiplication equation and solve.
2x20=40 bears
40x$2=$80
Carlita earned $80