Maths practice for 12-year-olds - page 4 of 355

Number of problems found: 7086

Quarter of 60 grams
For a science experiment, students need to find 25% of 60 grams. John says " I can find this by calculation 1/4 of 60" Andre says: 25% of 60 means 25/100 times 60. Do you agree with either of them? Show your reasoning
Apples 31
Tim picked 1 1/10 buckets of apples, and Sally picked buckets 2 1/8 of apples. How many more buckets did Sally pick?
Prism - base and height
Find volume of the prism if the base area equals 20 inches² with the height is 12 inches.
Divide by mixed number
Solve and choose the answer written in simplest form. 1/6 ÷ 1 2/3
Subtraction equation
What should be subtracted from -3/5 to get -2/3?
Fractions - minus
What is the difference used estimation to justify your thinking? 11/12 - 1/3 - 1/6
Largest circle
If the largest possible circle is cut off from a 8 cm × 4 cm rectangle, what is the area in sq cm of the remaining portion?
Subtract 27
Subtract these mixed fractions: 7 2/3 and 3 1/9.
The remainder 3
The remainder is 31 when dividing a number by 45. What would the remainder be if the same number were divided by 15?
The product 17
The product of two fractions is 7/15, and one of the fractions is 7/9. What is the other fraction?
Sarah 7
Sarah bought snacks for her team's practice. She bought a bag of chips for $1.56 and a 20-pack of juice bottles. The total cost before tax was $33.96. Write and solve an equation which can be used to determine, how much each bottle of juice cost.
Expression - two variables
The formula with two variables is given: y=5*x+38. Solve for x.
Two cubes 2
Two cubes each of volume 125 cm³ are joined end to end. Find the surface area of the resulting cuboid .
Decimal to fraction
What is 0.99 into a fraction?
Repeating to infinity
How do I express 0.99999999… as a fraction? (nine repeating) Another questions: Can you write .9999 repeating as a fraction? How do you turn 0.9 repeating into a fraction?
Mixed plus proper fraction
1 whole 1/2+1/3=
Two trains 15
A train travelling 50 kmph leaves Delhi at 8 AM and another train travelling 70 kmph leaves Delhi at 11 AM in the same direction. How many km from Delhi will they be together?
Antecedent and consequent
In a ratio which is equal to 5:8, if the antecedent is 40, then find the consequent.
Avg velocity
A car travels 120 km at 60 km/hr and another 120 km at 40 km/hr. What is its average speed?
Direct proportional
If m is proportional to n and m=5 when n=4, then what is the value of m when n=18?

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