G1 Add doubles Addition/Subtraction Lesson

What is addition

Addition is when we add a number onto a another number to make it bigger.

For example - 2+3 = 5 that is addition

Multiple Choice

Paige saw 8 birds. Drew saw 7 birds. Who saw less birds?

Multiple Choice

Paige saw 8 birds. Drew saw 7 birds. How many birds did they see altogether?

Doubles

1+1=2

2+2=4

3+3=6

4+4=8

5+5=10

Doubles

1+1=

2+2=

3+3=

4+4=

5+5=

Doubles

Addition

Multiple Choice

5 + 5 =

• 9

• 10

• 8

Multiple Choice

4 + 4 =

• 0

• 8

• 4

Multiple Choice

9+9

• 19

• 50

• 67

• 18

Let's look at the addition strategies we have learned about!

Multiple Choice

Using Doubles, solve this equation: 6 + 6 = ?

• 14

• 12

• 16

• 17