Page 101 - Math Genius C3

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practice time 5g

Tick (3) the correct mathematical operation and solve the problems.

1. There were 15 students for a dance class. 2 students went home because they were

sick. How many students attended the dance class?

+ – × ÷ ____________________

2. Ms. Savita bought 16 carrots on Monday and 13 carrots on Tuesday. How many carrots

did she buy in all?

+ – × ÷ ____________________

3. Find the cost of 8 pens, if one pen costs `5.

+ – × ÷ ____________________

4. There are 25 mangoes in each basket. How many mangoes are there in 6 such baskets?

+ – × ÷ ____________________

5. There are 200 bricks. How many towers of 10 bricks each can be made?

+ – × ÷ ____________________

Mental Maths Critical Thinking

Follow the instructions and find the answer.
1. You are at start, divide this number by 2 to get your next number.

2. Then, divide the number by 3.
3. Add 2 to your answer. Start: 30 42 9 52 3
4. Multiply the number by 3. 30 15 8 18 22
5. Then, divide the number by 7.
6. Multiply by 6. 35 49 5 57 33

7. Take away 12 from this number.
8. Divide this number by 6. 14 1 6 7 10
9. Multiply it by 35.
10. Take away 5 from this. 25 12 18 3 21
11. Divide it by 1.

Which number have you reached? _____________

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