Maths practice for 12-year-olds - page 40 of 355

Number of problems found: 7081

Temperature 53
The temperature this afternoon was X. The temperature has fallen 5 degrees and is now 68. What was the temperature this afternoon?
One weekend
One weekend, Raul worked 5 ¾ hours on Saturday and 2 ⅔ hours on Sunday. How many hours did Raul work that weekend? Tips: a. What is asked? b. What is given? c. What operation should be used? a. What is the number sentence? b. Show your solution:
Andy and Mike
Mike and Andy are each reading the same book. Mike read 2/4 of the book on Tuesday and 1/3 of the book on Wednesday. Andy read 1/2 of the book on Tuesday and 1/5 of the book on Wednesday. Andy says that altogether he read more of the book on Tuesday and W
Lowest terms
What is the sum if the product of 1 3/4 and 2 1/6 is added to the quotient of 1/3 and 8 4/5? Write the solution as a mixed number or a fraction in the lowest terms.
Simple coefficient
Find the value of k; if x = 3, y = 2 is a solution of the equation 2x + 3y = k.
Account's balance
Kayden's monthly bank statement showed the following deposits and withdrawals: -$99.19, $65.61, -$83.61, $74.11, $17.02 If Kayden's balance in the account was $78.68 at the beginning of the month, what was the account balance at the end of the month?
From Monday
From Monday to Tuesday, the temperature fell from 23°F to −6°F. How many degrees is this temperature change?
Reciprocal of a fraction
How many ninths are there in one whole?
A+B+C=one hundred
A+B+C=100. If A=27.5 and the value of B are between 10 and 15 and which has two decimal places, then what can be the greatest value of C?
Three rationals
Let x, y, and z represent three rational numbers, such that y is 512 times x and z is 50.25 more than x. If y=15.5, what is the value of z?
Poured liquid
If I pour 59ml of liquid into an area of 594 sq mm, how thick would the liquid be?
A sandbox
3/4 a sandbox has an area of 20 square feet. The length is 6 1/2 feet. What is the width of the sandbox?
A 28-inch
A 28-inch ribbon is cut into 8 pieces that are all the same length. What is the length of each piece?
The width 2
The width of stamp M is 4/3 inches, and the length is 7/5 inches. The dimensions of stamp M are 7/6 times the dimensions of stamp P. What is the length of stamp P in inches?
This morning 2
This morning the temperature outside was -4 degrees. This afternoon the temperature was 21 degrees warmer. What was the temperature this afternoon?
A stop
A stop sign is in the shape of an 8-sided polygon (regular octagon) in which each side is 12 1/2 in. What is the perimeter?
One number in another
How many 5/8s's are in 1? (To write a whole number and fraction: 2 3/4)
Divide fractions by half
Find the result of division by half: 3/4 : 1/2 =?
Maximo
Maximo had 4/6 of a pancake. Kayla gave him another 5/6 of a similar pancake. How many pancakes did Maximo have in the end?
A piece 7
A piece of dry ice is in the shape of a cube with edge lengths of 7cm. Find the surface area of the dry ice.

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