Mathematics Problem Solving Flashcards

Ahmad has 248 stickers. He gives 59 stickers to each of his 3 friends. How many stickers does Ahmad have left?

Answer: 71

Ahmad gives away 59 × 3 = 177 stickers. 248 − 177 = 71 stickers remaining.

A rectangular field is 120 m long and 85 m wide. What is the perimeter of the field?

Answer: 410 m

Perimeter of a rectangle = 2 × (length + width) = 2 × (120 + 85) = 2 × 205 = 410 m.

A shop sold 1,256 bottles of water on Monday and 2,387 bottles on Tuesday. How many bottles were sold in total?

Answer: 3,643

1,256 + 2,387 = 3,643 bottles in total.

Mei Ling saved $15 per week for 8 weeks. She then spent $45 on a book. How much money does she have left?

Answer: $75

Total saved: $15 × 8 = $120. After spending: $120 − $45 = $75.

A box contains 360 pencils. They are shared equally among 24 students. How many pencils does each student get?

Answer: 15

360 ÷ 24 = 15 pencils per student.

The price of a toy is $24.50. During a sale, the price is reduced by 20%. What is the sale price?

Answer: $19.60

20% of $24.50 = $4.90. Sale price = $24.50 − $4.90 = $19.60.