Examples of equations for practice for 13 year olds - page 3 of 98
Number of problems found: 1955
- Y-intercept 2
What is the y-intercept of 4x + 8y =16? Write coordinates of x0, y0 of that y-intercept. - Which 15
Which two digits need to be interchanged to make the following equation correct? 16+7*2+4-3=12 A) 2 and 4 B) 7 and 4 C) 16 and 2 D) 7 and 3 - A man 11
A man is x years old. In 10 years, he will be twice as old as he was 5 years ago. How old will he be in 10 years? - A car 8
A car begins heading along a path at 50 mph. A second car begins an hour later, along the same path traveling at 70 mph. For how long will the first car travel when the second car overtakes it? - The temperature 45
The temperature in a field is 68°F at 4 PM. The temperature decreases by 4°F per hour. When will the temperature be 60°F? - Yoshi's
Yoshi's father gave him 200 Pokemon cards. Each week, Yoshi purchases 25 Pokemon cards to add to his collection. Which inequality can be used to find w, the number of weeks after starting his collection when Yoshi will have more than 750 Pokemon cards in - Angles - triangle
Find the measure of the angles of the triangle ABC if: the measure of angle A is the measure of angle C and the measure of angle B =½ of the measure of angle C. - Sam thinks
Sam thinks the club needs more female members. The club has 66 members. The ratio of male to female club members is 5:1. How many members are female? - Xero had
Xero had a piece of ribbon. He used 0.4 of it to tie 2 small boxes and 2 large boxes. The length of ribbon needed for a large box is 3 times the length of ribbon needed for a small box. Xero used 5/6 of the remaining ribbon to decorate the presents. a) Wh - In which
In which of the following expressions does the number 16 fill in the blank so that the equation is true? Select all that apply. A) 8(___ + 3) = 32 + 24 B) 8(2 + 9) = ___ + 72 C) 4(7 + 4) = 28 + ___ D) 8(5 + 6) = 40 + ___ - One-third of a drum
1/3 rd of a drum is filled with water. Needed another 60 l of water to fill the whole drum, then what is the capacity of a drum? - Peter 17
Peter ate 9 ounces of chocolate cake which was 75% of the entire cake. Which expression can be used to find the size of the full cake? - A function
A function follows the rule "y is 3 less than half of x". Express y as a function of x in the form of an equation. - A potato
A potato farmer incurred a total cost of $1600 and $2500 from producing 5 and 8 potato bags, respectively, in 2 separate weeks. Find the cost of x bags. - Amy, Cindy
Amy, Cindy, and John shared a sum of money among themselves in the ratio of 5:8:11, respectively. If the money had been divided equally among themselves, Amy would have received an extra $18. (a) Would the amount of money that Cindy received change? Expla - Emu vs. Ostrich
The ostrich and the emu are the two largest birds. An emu is usually 1/2 the size of an ostrich. The sum of their heights is 150 inches. How tall is the average ostrich? - Petra 4
Petra had 20 meters of cloth. She made 3 dresses of the same size, and two meters were left. How many meters did each dress take? - Belle
Belle is planning to buy a cake and a dress as a gift for Alice. The price of the cake is Php 40.00 more than half the price of the dress. The total cost of the cake and the dress is 670.00 Php. How much is the cake? - The perimeter 12
The perimeter of an equilateral triangle is 41.46 inches. If the length of each side is (q - 5.7), what is the value of q? - Fraction equation
3/5 of a number is 6, more than 1/5 of the number. What is the number?
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