7 + 8
15
What strategy can we use to solve this problem?
5 + 5
a. doubles
b. counting on
c. neighbor fact
d. friend of ten
A. DOUBLES
9 + 7= _______
____ + ____ = _____
9+7= 16
7+9= 16
There are 6 kids on the bus. 8 more kids get on the bus. How many kids are on the bus now?
14 kids
6 + 4 + 4
14
9 + 5
14
What strategy can we use to solve this problem?
6 + 5
a. doubles
b. counting on
c. neighbor fact
d. friend of ten
C. NEIGHBOR FACT
Using the doubles: 4+4.
What is the neighbor fact?
5 + 4= 9
10 reindeer
9 + 6 + 2
17
11 + 7
18
What strategy can we use to solve this problem?
7 + 6
a. doubles
b. counting on
c. neighbor fact
d. friend of ten
Using the doubles: 6 +6.
What is the neighbor fact?
7 + 6= 13
There are 12 kids at lunch. 4 are girls and the rest are boys. How many BOYS are at lunch?
8 Boys
3 + 4 + 7
14
12 + 9
21
What strategy can we use to solve this problem?
6 + 4
a. doubles
b. counting on
c. neighbor fact
d. friend of ten
D. FRIEND OF TEN
Solve and write the turn around fact.
8 + 3= _______
____ + ____ = _____
8+3=11
3+8=11
There are 8 kids on the bus. 2 are wearing red shirts. The rest are wearing blue shirts. How many students are wearing blue shirts?
6 blue shirts
10 + 2 + 5
17
16 + 8
24
What strategy can we use to solve this problem?
8 + 2
a. doubles
b. counting on
c. neighbor fact
d. friend of ten
D. FRIEND OF TEN
Using the doubles: 8 + 8.
What is the neighbor fact?
9+8= 17
There are 19 students is Mrs. Martinez's class. There are 5 boys and the rest are girls. How many students are girls?
14 girls.
10 + 10 + 5
25