Explore Variables: Math Word Problems for 4th Grade

Sarah has 5 apples and buys some more. Let x be the number of apples she buys. How many apples does she have now?

• 5 + x

• 5 * x

• x - 5

• 5 - x

Tom has y toy cars. If he gives away 3 cars, how many toy cars does he have left?

• y - 1

• y - 3

• 3 - y

• y + 3

A book costs $10. If you buy n books, how much will you spend in total?

• $15n

• $10 + n

• $5n

• 10n

Lisa has 12 candies. She wants to share them equally with p friends. How many candies will each friend get?

• 12/p

• 12-p

• p+12

• p*12

A pizza has 8 slices. If you eat s slices, how many slices are left?

• s slices

• 8 - s

• 8 + s

• 8 - (s + 1)

There are m students in a class. If 4 new students join, how many students are there now?

• m - 4

• m + 4

• m * 4

• m + 2

A box can hold 15 toys. If you have t boxes, how many toys can you store in total?

• 15+t

• 10t

• 15t

• 20t

Jenny read 20 pages of a book. If she reads p more pages, how many pages will she have read in total?

• p + 20 pages

• p - 20

• 20 + p

• 20 - p

A farmer has 30 chickens. If he sells c chickens, how many chickens does he have left?

• 30 * c

• 30 - c

• c - 30

• 30 + c

A car travels at a speed of 60 miles per hour. If it travels for h hours, how far does it go?

• 30h miles

• 60h miles

• 120h miles

• 60h kilometers