Examples of equations for practice for 13 year olds - page 4 of 98
Number of problems found: 1956
- Fraction equation
3/5 of a number is 6, more than 1/5 of the number. What is the number? - On monday 2
On Monday, 1/4 of the workers were absent. On Tuesday, only 1/6 of the workers were absent. If 12 more workers were absent on Monday than on Tuesday, how many workers are there altogether? - Solve 24
Solve the following equation and answer as a reduced, mixed number. Then, place the correct number in the box provided. 4(2x -3) + 8(x - 4) = 2(2x + 6) - The slope 2
What is the slope of the line that passes through the points (-4, -7) and (-2,-19)? Write your answer in the simplest form.
- The quotient
If the quotient of a number and 16 is added to 1/4, the result is 9/16. Find the number. - The temperature 42
The temperature in your town is 31°F. The radio announcer says that the temperature will drop by 15 degrees. What will the temperature be? Write an equation to show how you found your answer. - Tadeo
Tadeo volunteered at the library 6 times as many hours over the weekend as Dylan. Together, they volunteered a total of 14 hours. How many hours did each person volunteer over the weekend? Write a system of equations that represents the situation. Let x r - Kevin 4
Kevin is 4 years older than Margaret. Next year Kevin will be 2 times as old as Margaret. How old is Kevin? - The product 12
The product of 2 1/4 and another fraction is 7 1/2. Find the other fraction.
- The playground 2
The dome is built on the playground. The dome covers an area of 1 2/3 square meters, which is 5/840 of the total area of the playground. What is the total area of the playground? - Laila
Laila is 3/2 m tall, which is 4/5 as tall as Shanika. How tall is Shanika? What formula or equation does represent this situation? - Temperature - linear function
In the morning, at 08:00 hours, the temperature was -8°C, and in the afternoon, at 16:00 hours, the temperature was 24°C. Assuming that the temperature changes steadily, what was the temperature at 1300 hours, and what was the time when the temperature wa - Salt water
The ratio of water (in liters) to salt (in grams) needs to be 3 to 2. If we add 10 grams of salt, how much water do we need to add? - 56.9 divided
56.9 divided by 10 missing exponents = 0.569
- Solve 22
Solve the equation with two ratios: x:14=28:196 - Three mixed
5 1/4 is added to a number, and the answer is 11 1/2. What is the number? - A man 10
A man gave 1/6 of his SSNIT benefits to his aged mother, 1/5 to his father, and 1/2 to his wife. If he still has 400 left, which he distributed among his four sons. Calculate a) his total SSNIT b) the amount is given to his mother c) the amount is given t - The mean
The mean of four numbers is 5, and the mean of three different numbers is 12. What is the mean of the seven numbers together? - Solve 19
Solve equation with fractions: 1/3+what=1/5
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