SATs - Maths Exercise 5 - Problem Solving Answers

Index

Problem Solving - Answers

[ Question Paper ]

Throw two dice and add together the number of spots.

Draw lines to show how likely the following answers are:

1		a good chance
6 or 7		least likely
12		impossible

8 pupils sit at each table in the dining hall. There are 15 tables, so how many pupils sit down for lunch when all the tables are full?
15 x 8 = 120 pupils

Nathan buys three bars of chocolate. The Choc and Nut costs 55p, the Milk Bar costs 37p and the Fruit and Nut costs 79p

What is the total cost of the three bars?

79p + 55p + 37p = Ł1.71

If Nathan only has Ł1, which two bars can he buy?
Choc and Nut (55p) and Milk Bar (37p)

Nathan decides to buy 2 Milk Bars. How much change does he get from Ł1?
Ł1 - 74p = 26p

Laura buys a bottle of pop for 72p

She pays with a Ł5 note. How much change does she get?

Ł5 - 72p = Ł4.28

She puts Ł2.50 in her money-box. How much has she got left to spend?
Ł4.28 - Ł2.50 = Ł1.78

Is one third of 93 smaller or greater than three-quarters of 40?
greater (one third of 93 is 31, ¾ of 40 is 30)

In a class of 32,

are girls. How many boys are in the class?
12

Meg is going to the cinema. The bus from her house to the town leaves on the hour or half hour and return at ten past or twenty to the hour. The journey takes 20 minutes. The film starts at 2.15 p.m. and lasts for 2 hours and 10 minutes.

Which bus should she catch from home?

1.30 p.m.

Which is the first bus she can catch after the film?
4.40 p.m.

Last modified on: Tuesday, June 9, 1998.