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Mental Maths

21 st
Century #Critical Thinking
Skills
1. Three `10 notes make:
a. `20 b. `25 c. `30 d. `40

2. You have `20 and you buy a balloon for `12. How much money is left with
you?

a. `8 b. `12 c. `6 d. `9

3. Which of these cannot make `10?

a. Five `2 coins b. Ten `1 coins
c. Two `5 coins d. Four `2 coins

4. A pen costs `12 and a notebook costs `27. What is the total cost of these
two items?
a. `25 b. `35 c. `39 d. `41

5. Two notes + one coin =

a. `40 b. `50 c. `60 d. `70

HOTS
21 st
Century #Computational Thinking
Skills
1. I have got five coins. They make a total of `23. What coins could I have?

Draw these coins.

2. How many make `100? _________________________________

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Money