Graphs, problem solving and Venn diagrams
Answers are for parents and teachers.
1
A graph is a straight line: 60 km in 4 hours. What is the speed in km/h?
15
2
Work out 375 × 8.
3000
3
A = {3, 6, 9, 12, 15} and B = {5, 10, 15}. Write the intersection.
{15}
4
Of 40 pupils, 22 like reading, 20 like drawing and 8 like both. How many like neither?
6
5
The sum of two numbers is 90 and one is 5 times the other. Find the larger number.
75