WorksheetsOPERATIONS ON RATIONAL NUMBERS
Total questions: 15
Worksheet time: 30mins
1. What is the sum when 1/4 is added to 2/5 ?
13/20
3/9
1/3
12/20
2. Students from G7 - Makadiyos agreed to help flood victims by donating 14 1/7 kg of sugar, 52 2/7 kg of rice, and 23 1/7 kg of powdered milk. How many kilos of relief goods did they donate in all?
79 4/7kg
89 4/21kg
89 4/7kg
99 4/7kg
3. Which of the following rational numbers is halfway between 1/4 and 11/12
?
9/12
5/12
7/12
3/12
4. Simplify: 5/4 + 1/2 - 7/8
1/8
7/8
3/8
5/8
5. Simplify: ( 1/15
)(
3/7
) ÷ ( 2/5 )
14/15
1/15
1/7
1/14
6. Reden bought 3/4 meter of wire, while Rowell bought
1/10 meter, and Randy bought 2/5 meter of wire. How many meters of wire did they buy altogether?
5/4
3/10
4/3
6/20
7. A grasshopper jumped 3/4 meters, then jump another 5/6 meter. How much farther the second jump?
5/8
1/12
4/5
2/3
8. Paul had
9/10 meter of tape, he used 2/5 of it. What part of the tape was used?
9/4
5/9
11/15
9/25
9. How many
5/6 quart container can be filled from a container with 2 1/2
quarts of
coconut milk?
2
6
12
3
10. What is the product when 7/2 is multiplied with
4/21 ?
4/5
3/4
2/3
1/2
11. JK used the computer for 3/5
hour on Saturday and 9/10 hour on Sunday. How much longer did he use the computer on Sunday?
4/5
6/5
3/10
12/15
12. A service station operator reported that
7/10 of his sales were batteries and
7/15 were
tires. What part of his sales were batteries and tires?
7/6
6/7
14/15
7/13
13. A chocolate factory uses
1/9 of a barrel of milk in each batch of chocolate. The
factory used
2/3 of a barrel of oatmeal yesterday. How many batches of cookies did the factory make?
4
7
5
6
14. From the sum of 11 5/6 and 2 1/4
, subtract 9 1/2
.
3 1/12
4 7/12
3 5/12
4 5/12
15. What is the product of the sum and difference of 2/3
and 1/4
?
1/12
55/144
2/12
1/72
