Addition - practice for 12 year olds - page 13 of 29
Number of problems found: 580
- Daniel 3
Daniel bought 1/2 kg of grapes and 2/3 kg of bananas for his children. How kilograms of fruits did he buy in all? - Three people
Three people eat two pizzas altogether. Both pizzas are the same size. One person eats 2/3 of a pizza. A second person eats 1/2 of a pizza. How much pizza does the third person eat? - Vegetable garden
The four sides of a vegetable garden are 15 1/2 feet, 18 3/4 feet, 24 1/4 feet, and 30 1/2 feet. How many feet of fencing are needed to go around the garden? (write the answer as the whole number) - A welder
A welder has two pieces of half-inch pipe, one of length 2 3/8 ft and another of length 3 7/8 ft. What is the total length of the two welded together? How much must be cut off if she needs a total length of 4 3/4 ft?
- Denise
Denise drinks 1 4/12 liters of water daily. Claudine and Allysa drink 1 3/12 and 1 7/12 liters of water daily, respectively. How many liters of water do the three consume daily? - Mimi's
Mimi's store donated 150 2/3 kg of rice to the flood victims. Kelly's store also donated 142 1/4 kg of rice. How many kilograms of rice were donated to the flood victims altogether? - Insecticides
Manny used 5/6 gallons of insecticides to disinfect his poultry house. He used 1/4 gallon of water to dilute it. What was the total mixture? - Nelly 3
Nelly jogged 7/10 km, walked 5/10 km, ran 3/10 km, walked another 7/10 km, and jogged 6/10 km. How many kilometers did she travel in all? - The mall
Pia spent 1 9/12 hours in her grandparents' house. This time was 8/12 of an hour more than the time she spent at the mall. How much time did she spend at the mall?
- Dan goes
Dan goes to the bank and deposits $64.35 in cash and two cheques, one for $90.23 and the other for $71.68. What is his total deposit? - On Friday 2
On Friday, a bowling alley made $842.72 from lane rentals and $412.38 from the concession stand. On Saturday, their lane rentals were down by 1/8, but the concessions increased by One-half. What is the total amount that the bowling alley earned in lane re - Randy
Randy solved the following problem: 7/8 + 9/16. He said: I can add 7 and 9 to get 16 and add 8 and 15 to get 23. The answer is 16/23. Is randy correct? Explain. - A snack
Jim made a snack by combining ⅓ of a bowl of granola with ¼ of a bowl of chopped banana and ½ of a bowl of yogurt. Did one bowl hold all of the ingredients at one time? Explain your answer. - Canada landscape
About ½ of Canada is covered in forest, and 1/12 is covered in freshwater. What fraction of Canada is not covered in either forest or freshwater? Hint - add first and then subtract from the total.
- The balance
Kasey had $98.17 in her account. Her receipts from the day are shown. Three receipts are shown. At the Food Truck, she bought a taco meal for eight dollars and five cents, the tax was sixty-four cents, and the total was eight dollars and sixty-nine cents. - Balloons 2
One balloon is 3 7/10 meters above the ground. A second balloon 2 3/5 meters higher. How far above the ground is the second balloon? Complete the addition equation and a related subtraction equation to model the problem. Use x to represent the height of t - The Roman
The Roman numerals are read from left to right, using an additive system (such as the case in VII = 7) and a subtractive system (such as the case in IX = 9). How would you explain to your learners how they should decipher the following Roman numerals: MMX - Double of one-third
¹/₃ of the school garden has vegetables, and another ¹/₃ has flowers. What part of the garden is left to grow grass? - There 22
There is 5/8 of a pizza in one box and 9/12 of a pizza in another box. How much do you have altogether?
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Addition practice problems. Maths practice for 12-year-olds.