Maths practice for 12-year-olds - page 7 of 350

Number of problems found: 6997

A baby
A baby weighs 8 and 1/4 pounds at birth. Two weeks later, she weighs 8 and 7/8 pounds. How much did the baby gain?
At 5:16
At 5:16, what is the acute angle between a minute hand and an hour hand?
An eraser
The cost of an eraser is $ 0.80 and the cost of a pencil is $ 2. What is the ratio of their costs in simplest form?
Five and four
Five divided by four times the number is 0.25. What is that number?
Lily spent
Lily had $812. She spent 1/7 of the money on a cupboard and 1/6 of the remaining amount on a dressing table. How much did Lily spend on the dressing table?
Puppy
A family adopts a puppy that weighs seven and 7/8 pounds. Two weeks later, they take him to the vet, and he weighs 12 and 3/16 pounds. How much weight did the pit puppy gain?
Water tank 12
A rectangular water tank is 5 m high, 3 m long, and 2 m wide. How many liters of water can it hold?
Find value
Find value of x: x/5+x/2=-1/5-3x/2
The speed 3
The speed of a boat in still water is 10 km/h. If the boat goes 37.5 km upstream in 5 h, find the speed of the stream.
Collecting clothes
Larry and Myra are collecting clothes for a clothing drive. Myra collected 2 1/2 times as many clothes as Larry did. If Larry collected 4 4/5 bags of clothes, how many bags of clothes did Myra collect?
The product 15
The product of two consecutive even numbers is 48. If the square of the smaller number is 35, what is the other number?
Evaluate divisions
Evaluate the following expression with divisions: 45 ÷ 45 ÷ 2/9
A pen 2
A pen cost 1 USD plus half its price. How much does it actually cost?
Men at work
8 men can finish a piece of work in 40 days. If 2 more men joined with them, then how many days it will take to complete the work?
Unknown en
I think of a number. If I subtract 9 from it and multiply this difference by 4, the result is 128. Form an equation and solve it to find the number.
Dividing money 7
A: B: C is in the ratio of 3:2:5. How much money will C get out of Rs 1260?
Bob types
Bob types 260 words in 2 and 1/2 of a minute. How many words per minute?
A pair 2
Jane is 5 years older than Tom. In 3 years, the sum of their ages will be 41. How old are Jane and Tom now?
Working day
Greg spends 1/4 of his workday in meetings and 1/12 of his workday answering phone calls. What is the total fraction of his workday that Greg spends in meetings or on phone calls?
Add five to lcm
The least number, which, when diminished by 5, is divisible by each of 21, 28, 36, and 45.

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