SATs - Maths Exercise 5 - Problem Solving

Index
	Problem Solving - Answers [ Question Paper ] Levels 3 - 5 Sam and Daniel have 20 sweets each.
	Sam eats of his sweets. How many does he eat? _______________5___________________
	Daniel eats 10 of his sweets. What fraction of his sweets does he eat? __________________________________
	How many sweets are left altogether? ________________25__________________ Levels 4 - 6 Here are Tom's marks for four tests. 4 6 3 7 The mean is 5
	Tom has another test and the mean of the five tests is still 5. What mark does he get? __________5____________
	On his 6th test, Tom's mean score goes up by 1. What does he score on his 6th test? ____________11_____________ Levels 5 - 7
	Joan has some pins in a box. She doesn't want to count them all so she calls the number she has p. She puts 4 more in the box. Write an expression for the total number of pins she has now. ______________ p + 4____________________
	Joan starts again with the same box containing p pins. This time she uses 10 pins. Write an expression for the total number of pins she has now. ______________p - 10 ____________________
	Dawn has 2 boxes of pins. In one box there are 2p - 5 pins. In the other box there are 2(p - 5) pins. Is there the same number in each box? Explain your answer. ___No - one box has 2p - 5 pins, the other has 2p - 10____ Levels 6 - 8
	A local farm has two water tanks. The first tank measures x by y by z and takes 2 hours 30 minutes to fill. How long does it take to fill a tank measuring 3x by 3y by 3z, at the same rate? _________67 hours 30 minutes__________


	Copyright©1998 - British Telecommunications plc
	Last modified on: Tuesday, June 9, 1998.

Problem Solving - Answers