Addition
w + 6 = 15
w = 9
18 - g = 13
g = 5
Gemma had 5 treats in her dish. Luis gave her some more treats. Now Gemma has 21 treats. How many treats did Luis give her?
5 + t = 21
t = 16
3 + f = 12
Example:
Ella had 3 fish. Her mom bought some more from the pet store. Now Ella has 12 fish. How many fish did Ella's mom buy from the pet store?
f = 9
Georgia baked some cupcakes. She sold 14 at the bake sale. Now she has 5 cupcakes. _________________________________________?
a) How many cupcakes does Georgia have now?
b) How many cupcakes did Georgia sell at the bake sale?
c) How many cupcakes did Georgia bake?
c) How many cupcakes did Georgia bake?
17 + k = 32
k = 15
31 - f = 23
f = 8
Sylvia had 9 suckers in her bag. She gave some suckers to her friends. Now Sylvia has 3 suckers. How many suckers did Sylvia give to her friends?
9 - s = 3
s = 6
14 - e = 8
Example:
Julie had 14 pairs of earrings. She lost some pairs in her bedroom. Now Julie has 8 pairs of earrings. How many pairs of earrings did Julie lose?
e = 6
Ryan has 8 marbles. He lost some in the ditch. Now he only has 1 marble. _________________________________________?
a) How many marbles did Ryan have to start?
b) How many marbles did Ryan lose in the ditch?
c) How many marbles does Ryan have left?
b) How many marbles did Ryan lose in the ditch?
r + 25 = 47
r = 22
42 - d = 26
d = 16
Dominoes sold some pizzas on Monday afternoon. Then they sold 42 more on Monday evening. In total, Dominoes sold 87 pizzas on Monday. How many pizzas did Dominoes sell on Monday afternoon?
p + 42 = 87
p = 45
y + 13 = 25
Example:
Our class had some yogurt tubes. Then the breakfast program gave us 13 more. Now our class has 25 yogurt tubes. How many yogurt tubes did our class have to start?
y = 12
Which number will solve the following equation:
5 + 2 = 9 – v
a) v = 9 b) v = 2
c) v = 11 d) v = 7
b) v = 2
39 + h = 76
h = 37
j - 6 = 13
j = 19
Thomas had some balloons in his hand. He lost his grip and 15 balloons floated away. Now Thomas only has 21 balloons. How many balloons did Thomas have in his hand to start?
b - 15 = 21
b = 36
w - 11 = 8
Example:
Michael had some watermelon slices. He gave 11 slices to his friends. Now Michael has 8 watermelon slices. How many watermelon slices did Michael have in the beginning?
w = 19
Which equation best represents the following picture?
? + * * * * = * * * * * * * * *
Which equation best represents the diagram?
a) s + 4 = 9 b) 4 + 9 = 13
c) 4 + 9 = s d) 4 = s + 9
a) s + 4 = 9
c + 52 = 119
c = 67
m - 24 = 39
m = 63
The movie theater had some tickets to sell for tonight's Halloween movie. Then they sold 57 tickets. Now they only have 35 tickets remaining. How many tickets did they have to sell at the beginning of the day?
t - 57 = 35
t = 92
c - 28 = 31
Example:
My mom hung some clothes on the clothesline. It got windy and 28 pieces blew away. Now there are only 31 pieces of clothes on the clothesline. How many pieces of clothes did my mom hang to start?
c = 59
Which equation best represents the following picture?
* * * * * * * * * * * * - ? = * * * * *
Which equation best represents the diagram?
a) 5 + s = 12 b) 12 - s = 5
c) 5 + 12 = s d) 5 = 12 - s
b) 12 - s = 5