Find the sum
14 + 5
19
? = 6 - 2
4
There are 9 boys in the class and 7 girls. How many more boys are there than girls?
9-7=2
Doug has 7 takis in a bag. He ate some at lunch. Now he has 3 takis left. How many takis did Doug eat?
7 - ? = 3
4
Which equation matches the picture for # 1 on sheet?
a. 2 + 2 + 2 = 11
b. 2 + 4 + 5 = 11
c. 5 + 5 + 4 = 11
d. 4 + 5 + 1 = 11
b. 2 + 4 + 5 = 11
17 - 5 = ?
What equation could you use?
a.12 - 5 = 17
b. 13 + 3 = 17
c. 12 + 5 = 17
d. 17 + 5 = 22
c. 12 + 5 = 17
(use part part whole)
Tyler has 4 books. Laura has 10 books. How many fewer books does Tyler have than Laura?
a. 6
b. 14
c. 5
d. 4
a. 6
Mr. Cooley bought 9 doughnuts for his son. 6 of them are green. The rest are purple. How many doughnuts are purple?
9 - 6 = 3
or
6 + ? = 9
1 + 3 + 6 =
10
2. on question sheet
What value is missing in the part- part- whole model?
a. 8
b. 23
c. 7
d. 5
c. 7
What equations could you use to solve this? (model)
Copper had 3 cat treats. Aeros had 8.
How many more cat treats did Aeros have than Copper?
Select all equations you could use:
a. 8 - ? = 3
b. 3 - ? = 8
c. 3 + ? = 8
d. 8 + 3 = ?
a. 8 - ? = 3
c. 3 + ? = 8
Aurora had 18 balloons for her birthday. She gave 6 out to her friends. What expression (equation) could help us figure out how many balloons Aurora has left?
a. 18 + 6
b. 6 - 18
c. 14 + 6
d.18 - 6
d.18 - 6
Which expression below has the same sum as
7 + 2 + 3 + 5
a. 2 + 3 + 5+ 7
b. 9 + 10 + 1
c. 7 + 3 + 1 + 2
d. 5 + 4 + 2
a. 2 + 3 + 5+ 7
Select all equations below that are equal to
3 + 1 + 4 = 8
a. 4 + 3 + 1 = 8
b. 5 + 3 + 2 = 8
c. 7 + 1 + 1 = 8
d. 4 + 4 = 8
a. 4 + 3 + 1 = 8
d. 4 + 4 = 8