Maths practice for 12-year-olds - page 20 of 355

Number of problems found: 7081

Subtract 19
Subtract as indicated. 11/10 - (- 2/5)
Jacqui
Jacqui ran a mile and a half on Monday, Wednesday, and Friday and three-fourths of a mile on Tuesday and Thursday. How far did she run in all?
James 7
James bought a pair of shoes worth 650.00 pesos. Eyeglasses that cost p 86.75 and some school supplies worth p 538.95. How much did he spend in all?
A ship 2
A ship runs at 15 1/2 knots (pls convert to nautical miles per hour) for 3 1/2 hours. How far does the ship travel?
A book 4
A book has 280 pages. I read 2/7 of the book yesterday, while I read 1/4 of it today. How many pages did I read in 2 days?
Negative fractions
What is the product of negative 2 1 half and negative 3 1 third? Enter your answer as an improper fraction or mixed number in the simplest form.
10 children
Ten children in the park, four-tenths are wearing a red shirt. How many children in the park are wearing a red shirt?
Know one angle
In a right-angled triangle, the measure of an angle is 40°. Find the measure of other angles of the triangle in degrees.
Estimate 6
Estimate the number of pieces Sharon will have. Id she divides 17 7/9 yards of fabric into 4/7 yard lengths.
Emily 2
Emily is thinking of a number, which she calls n. She finds 1/4 of the number and then subtracts 3. Write an expression to represent Emily's number.
Rice cooking
Aunt had 1 3/4 kg of rice, then Aunt bought another 2 1/2 kg of rice, cooked 0.2 kg, calculate the remaining rice Aunt now.
Mother 17
Mother has 2/5 cups of flour. She needs 2 1/4 cups of flour for the planned cake. How many cups of flour does she need to buy?
Town hiking club
There are 36 people in the new town hiking club. 2/3 of the club must say YES if the club is to hike the Northern trail. Twenty people have voted YES. How many more YES votes are needed?
Roberta
Roberta bought 9/10 pound of raisins. She put 2/5 pounds in bags for her lunch. How many 2/5-pound bags can Roberta fill? Does she have any left over?
Four friends 2
Four friends attend a school play and pay $6.75 per ticket. Each also buys a healthy snack bag sold by the theater club. If the friends spent a total of $37.00, how much did each healthy snack bag cost, b?
Fely picked
Fely picked 4 1/2 bags of avocado at the farm. Each bag weighs 2 1/2 kg. How many kilograms of avocado did Fely pick?
LCM or HCF
Find the lowest common multiple of these two numbers: 105 226
The number 9
The number of minutes it took Jim to ride his bike to school for each of the past six days was 21, 18, 16, 19, 24, and 19. Find the mean number of minutes.
Round to millions
How to round 3,216,534 to the nearest 1,000,000
Jason 3
Jason bought 3 liters of cola. He drank 3/5 liters of it and gave 2/7 liters to his brother. How much cola did Jason have left?

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