**1. What is the difference between 18 and 6?**

a) 12

b) 1

c) 10

d) 7

**Answer: **a) 12

**Explanation: **We need to find the difference between 18 and 6. For performing subtraction in columns, place the greater value at the top and the smaller value below it.

18 - 6 = 12

8 - 6 = 2 and 1 - 0 = 1 Hence, 18 - 6 = 12.

**2. You bought 9 cupcakes for your birthday party and your friends ate 7 cupcakes. Now, how many cupcakes are left?**

a) 5

b) 4

c) 2

d) 1

**Answer: **c) 2

**Explanation: **When 7 is subtracted from 9, the difference comes out to be 2.

Hence, the answer is 2.

**3. Subtract 14 from 45.**

a) 15

b) 18

c) 21

d) 31

**Answer:** d) 31

**Explanation:** Using the non-regrouping method, we first start from the right side and subtract 4 from 5.

5 − 4 = 1

The difference comes out to be 1.

We then proceed toward the numbers under the tens column.

We subtract 1 from 4.

4 - 1 = 3

The difference comes out to be 3.

Hence, the answer is 31.

**4****.** Mike bought 15 pens from a shop on Monday. He gave 4 pens to Will on Tuesday. How many pens are left with Mike?

a) 15

b 12

c) 11

d) 9

**Answer:** c)

**Explanation:** Pens bought by Mike = 15

Pens given to Will by Mike = 4

Number of pens left with Mike = 15 - 4 = 11

Hence, the answer is 11.

**5. Ron bought 35 eggs and out of them, 23 were rotten. How many eggs were good?**

a) 12

b) 11

c) 10

d) 9

**Answer:** a) 12

**Explanation:** The number of eggs Ron bought = 35

Number of rotten eggs = 23

Therefore, the number of good eggs = 35 - 23 = 12.

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