Fractions of sets and on number lines
Answers are for parents and teachers.
1
Find 2/3 of 15 and 3/4 of 20.
1/3 of 15 is 5, so 2/3 is 10. 1/4 of 20 is 5, so 3/4 is 15.
2
Seif has 18 marbles and gives 1/6 of them to Youssef. How many marbles does Seif keep?
1/6 of 18 is 3. Seif keeps 18 − 3 = 15 marbles.
3
Compare 4/6 and 5/6. Write which one is greater and say why.
5/6 > 4/6, because both are sixths and 5 parts are more than 4 parts.
4
Draw a number line from 0 to 1 cut into fourths. Mark and label 1/4, 2/4 and 3/4.
The line has 4 equal spaces, with marks for 1/4, 2/4 and 3/4 between 0 and 1.
5
A path is 1 km long and a bench is at 3/4 km from the start. What fraction of a km is the bench from the end of the path?
The path has 4 fourths. The bench is at 3 fourths, so 1 fourth is left: 1/4 km.