A water tank was 20/21 full. If 3/21 of it was used to water the plants, what fractional part of the water was left in the tank?
1.What is asked in the problem?
The amount of water in the tank
The amount of water used to water the plants
The fractional part of the water left in the tank
None of the above.
2.What are the given facts?
20/21 water
3/21 water
All of the above.
3.What operation will you use to solve the problem?
addition
subtraction
multiplication
division
4.What will be the number sentence?
20/21 + 3/21 =N
20/21 - 3/21 = N
20/21 x 3/21 = N
20/21 ÷ 3/21 = N
5.What is the correct answer?
14/21
15/21
16/21
17/21
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Answer:
1.The fractional part of the water left in the tank
2.all of the above
3.Subtraction
4.20/21 - 3/21=N
5.17/21
Answer:
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