We can count on using a ___________ ____________ to help us add.
We can count on using a number line.
100
5+6=
5+6=11
100
If Nima knows that 7+3=10, what other addition fact does she know?
Nima knows that 3+7=10.
200
When two addends are the same we call them____________
When two addends are the same we call them doubles.
200
4+5=
4+5=9
200
Brandon has double 5 plus 1 pencils. How many pencils does he have.
5+5+1=11
300
Name an addition strategy.
Using the number line or counting on is an addition strategy.
300
8+7=
8+7=15
300
There are 16 people at a party. Some are boys and some are girls. The number of boys is the same as the number of girls. What number sentence can you write for this problem?
8+8=16
400
4+3=7 is an
4+3=7 is an addition sentence.
400
6+7=
6+7=13
400
Using the numbers 9, 6 and 3, create two addition number sentences.
6+3=9
3+6=9
500
In the problem 6+2=8, what is each number called?
In the problem 6+2=8, 6 and 2 are addends and 8 is the sum.
500
10+9=
10+9=19
500
Aniya has 12 cookies to give away. Which doubles fact can she use to give both Melvin and J'Son the same amount of cookies?