Jan collects foreign stamps. Her friend gives her 8 stamps. Jan then has 21 stamps. How many stamps did Jan have to start with? Let x represent the number of stamps.
Find the equation.
Solve the equation.
Answer the question.
1 point
1
Question 2
2.
Nine more than three times a number is 24.
Write an equation.
Solve by inspection.
1 point
1
Question 3
3.
A number divided by eight is 9.
Write an equation.
Solve by inspection.
1 point
1
Question 4
4.
Six times a number is 54.
Write an equation.
Solve by inspection.
1 point
1
Question 5
5.
Ned spent $36 on a new shuttlecock racquet. He then had $45 left. How much money did Ned have before he bought the racquet?
Write an equation.
Solve by systematic trial.
1 point
1
Question 6
6.
Laurie sold 13 books for $208. All books had the same price. What was the price of each book?
Write an equation.
Solve by systematic trial.
1 point
1
Question 7
7.
Maurice sorts some dominoes. He divides them into 15 groups, with 17 dominoes in each group. How many dominoes does Maurice sort?
Write an equation.
Solve by systematic trial.
1 point
1
Question 8
8.
Write the equation that is represented by the balance scales. Solve the equation.
1 point
1
Question 9
9.
Write the equation that is represented by the balance scales. Solve the equation.
1 point
1
Question 10
10.
Solve using tiles
x + 6 = 9
1 point
1
Question 11
11.
Solve using tiles.
x - 9 = 6
1 point
1
Question 12
12.
Sara collects 56 leaves for a science project. She collects the same number of each of 7 different types of leaves. How many of each type did Sara collect?
a) Write an equation you can use to solve the problem.
b) Solve the equation. Verify the solution.
1 point
1
Question 13
13.
Serena walks 400 m from home to school. Serena is 140 m from school. How far is Serena from home?
a) Write an equation you can use to solve the problem.
b) Solve the equation using algebra. Verify the solution.
1 point
1
Question 14
14.
The Grade 7 classes sold pins to raise money for charity. They raised $228. Each pin sold for $4. How many pins did they sell?
a) Write an equation you can use to solve the problem.
b) Solve the equation using algebra. Verify the solution.
1 point
1
Question 15
15.
Jaya has 25 hockey cards. She has one more than 3 times the number of cards her brother has.
Write, then solve, an equation to find how many cards he has.
1 point
1
Question 16
16.
The school’s sports teams held a banquet. The teams were charged $125 for the rental of the hall, plus $12 for each meal served. The total bill was $545. How many people attended the banquet?
a) Write an equation you could use to solve the problem.