True or False?
Let Me Repeat Myself
Flip and Reverse It
Fact Check
Measure Up!
100
3 x 3 = 6
False
3 x 3 = 9
3 + 3 =6, this is addition
100
Repeated addition for the multiplication problem:
5 x 4
5 + 5 + 5 + 5
100
Write the division for this multiplication:
3 x 5 = 15
15 ÷ 3 = 5
or
15 ÷ 5 = 3
100
1 x 10
10
100
What equation do you use for area (of a rectangle)?
length times width,
or
L x W = A
200
26 is divisible by 5
False
26 is not divisible by 5
It does not have a 5 or 0 at the end
200
Repeated addition for the multiplication problem:
4 x 6
4 + 4 + 4 + 4 + 4 + 4
200
Write the division for this multiplication:
2 x 5 = 10
10 ÷ 2 = 5
or
10 ÷ 5 = 2
200
0 x 11
0
200
Find the area of the model
40 inches2
300
32 is divisible by 2
True
32 ends with an even number (2), so it is divisible by 2
300
The multiplication problem for this repeated addition:
8 + 8 + 8 + 8 + 8
8 x 5
300
Write the division for this multiplication:
5 x 1 = 5
5 ÷ 5 = 1
or
5 ÷ 1 = 5
300
5 x 11
55
300
Find the area of the model
50 cm2
400
Division and Multiplication are inverse operations
True
Inverse operations are the exact opposite of each other. These are addition/subtraction and multiplication/division.
400
The name used for models that show repeated addition through columns and rows.
Array
400
Write the multiplication for this division:
20 ÷ 5 = 4
5 x 4 = 20
or
4 x 5 = 20
400
2 x 9
18
400
Length = 10 cm
Width = 2 cm
Area = ? cm2
Area = 20 cm2
500
To find out if a number is divisible by 3, you add the digits together.
True
If the number you get is divisible by 3, then the bigger number is too.
Example: 20 is not divisible by 3, because 2+0 is 2 which is not divisible.
500
What is the mistake in this statement:
5 x 4 = 4 + 4 + 4 + 4
There are not enough 4s
OR
The 4s need to be 5s
500
Jason wrote a fact family:
3 ÷ 18 = 6
6 ÷ 3 = 18
Fix his division
18 ÷ 3 = 6
18 ÷ 6 = 3
500
3 x 12
36
500
L = 3 inches
W = 9 inches
What is the area? You MUST have the correct unit at the end!!!
A = 27 inches2