Algebra (addition)
x + 5 = 15
x = 10
k - 5 = 10
k = 15
Tom had 10 cards. Jane gave him some cards for his birthday so he now has 13 cards. How many cards did she give him?
10 + c = 13
Natalie buys a large bag of Takis priced at $7 from the grocery store. How much did she pay, if she got $3 in change?
d = $4
y + 2 = 7
y = 5
f - 3 = 9
f = 12
Laura had $20. After buying lunch at Subway she has $14 left. How much was her sandwich?
20 - s = 14
Devon and Mark played basketball. They scored 23 points in all. If Devon scored 9 points, how many points did Mark score?
m = 14 points
b + 8 = 24
b = 16
y - 8 = 9
y = 17
Carl ate 7 chicken nuggets. He went back for seconds. He at a total of 12 nuggets. How many extra nuggets did he eat?
7 + n = 12
John has a bag of cookies. He gave 13 cookies to his friend Rhea and was left with 11 cookies. How many cookies did the bag have?
c = 24 cookies
m + 10 = 40
m = 30
c - 14 = 5
c = 19
Tom went jogging one morning. His goal was to run 26 miles. He already ran 8 miles. How many miles does he have left to run?
8 + m = 26
Smith and his friends are gaming online on a popular website. An hour later, 6 friends go offline but 5 of them keep playing. How many of them were gaming online altogether?
f = 11
n + 14 = 22
n = 8
x - 25 = 75
x = 100
Mary exercised for 30 minutes. She spent 23 minutes running. How much time did she spend lifting weights?
23 + w = 30
Trevor takes up a test at school and completes it in an hour. The test has two sections. If he takes 35 minutes to complete the first section, how much time does he have left to complete the second section? (1 hour = 60 minutes)
25 minutes