Math Problems for 3rd Graders
These word problems are great for third (3rd) grade students looking for word problems practice.
These questions cover Counting, Rounding, Addition, Subtraction, Multiplication and Division and include answers and explanations for students to review. The links below include worksheets in PDF for students to do download and practice on their own.
The questions are designed as story sums to give students real word examples of applying the math operations.
Mixed word problems questions for 3rd graders to practice
Thomas has 56 boys in his school (excluding him) and 63 girls. How many kids are in the school?
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Answer
120 kids
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Explanation
Don't forget to include Thomas in the boy group.
56 boys + Thomas + 63 girls = 120 kids
A bucket has 134 marbles. A few more marbles are added and the bucket now contains 203 marbles. How many marbles were added?
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Answer
69 marbles
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Explanation
To calculate the number of new marbles added you need to subtract the new total from the old total:
203 - 134 = 69
West Island is four times wider than East Island. If East Island is 3 miles wide, how big is West Island?
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Answer
12 miles
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Explanation
Times means multiply so we need to multiply the width of East Island by 4:
3 miles x 4 = 12 miles
Maddox goes to a out with three friends to a restaurant. The bill comes to $60 which they split equally. What does each person pay?
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Answer
$15
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Explanation
Remember to add Maddox and his friends together to make 4 people in total, then divide the bill:
$60 / 4 = $15
Round the sum of 13 and 63 to the nearest 10
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Answer
80
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Explanation
First add the numbers:
13 + 63 = 76.
Then to round to the nearest 10, look at the first place value '6'. Since it is above 5, we round up to 80.
How much money is in the purple envelopes?
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Answer
$143
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Explanation
$120 + $15+ $8 = $143
In a zoo there are 12 lions, 24 snakes, 15 monkeys and 2 polar bears. How many animals are there in total?
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Answer
53
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Explanation
Add all the animals together:
12 + 24 + 15 + 2 = 53
Mo has won 43 running races whereas Phil has won 29. How many more races has Mo won?
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Answer
14
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Explanation
Take the number of races Mo has won and subtract the races Phil won:
43 - 29 = 14
Five friends go horse riding together. How many legs are there in the riding group (include people and animals)?
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Answer
30
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Explanation
One person has 2 legs and one horse has 4 legs therefore a riding unit has 6 legs (horse plus person). We then need to multiply 6 by the number of riding units to get the total number of legs in the group:
6 x 5 = 30 legs
There are 36 buns in the oven split equally in 3 trays. How many buns are in each tray?
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Answer
12
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Explanation
Divide the total number of buns across each tray:
36 / 3 = 12 buns per tray
576 rounded to the nearest hundred is?
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Answer
600
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Explanation
In order to round this number, look at the second unit value which is 7. Since 7 is above 5 we round up the number.
How many coins are in pile 2 and pile 3?
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Answer
12
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Explanation
There are 5 coins in the first pile and 7 coins in the second pile. Add those together and we get 12.