Adding Equal Groups
Word Problems
Even and Odd
Doubles
Facts
100
5 x 3 = 15
3x5=15
100
There are 3 bags. Each bag holds 5 apples. How many total apples?
3x5 = 15
100
Is 6 even or odd? Explain your thinking.
Even
2 equal groups with none left over or groups
Groups of 2 with none left over
3+3=6
100
Double 6 makes...
12
100
2x4=
4+4=8
200
3x10=30
10x3=30
200
Janet has 7 pies. She cuts each pie into 10 slices. How many slices are there in all?
7x10=70 slices
200
Is 27 even or odd? Explain your thinking.
Odd
Cannot put 27 (or 7) into equal groups of 2 or 2 equal groups. There will be one left over.
200
Double 8 makes...
16
200
6x5=
5, 10, 15, 20, 25, 30
300
4x5=20
5x4=20
300
A bicycle has 2 wheels. How many wheels do 4 bicycles have?
4x2=8
300
Using 3, 2, 5, 4
What is the smallest 2 digit odd number?
What is the smallest 2 digit even number?
Odd: 23
Even: 32
300
Double 9 makes
18
300
4 2's
3, 4, 6, 8
400
4x4=16
400
Look at the image on Page 119 in your textbook. Write a word problem to go with the equal groups.
Terms: bumper car, passenger car, teacup
400
What are the even numbers between 20 and 30.
What are the odd numbers between 10-20.
22, 24, 26, 28
11, 13, 15, 17, 19
400
What doubles fact makes 20?
10+10=20
400
10 groups of 10
10, 20, 30, 40, 50, 60, 70, 80, 90, 100
500
6x2=12
2x6=12
500
LiNa wants to buy 12 cupcakes for a party. How many different ways can LiNa buy the cupcakes? How many different ways can she organize them in her boxes?
1x12 = 12
12x1=12
4x3=12
3x4=12
6x2=12
2x6=12
500
What is the greatest 3 digit even number?
What is the smallest 3 digit odd number?
998
101
500
When you add doubles together, do you get an odd or even number?
Even
500
7x3=
3, 6, 9, 12, 15, 18, 21