Page 106 - Math Skill - 1

104 Maths

3. The sum of 7 + 9 + 3:

(a) 20 (b) 19 (c) 21

4. Siddhi has 10 marbles and Aastha has 11, the total number of marbles
they have together:

(a) 19 (b) 21 (c) 26

5. Complete the pattern: 7 1 = 6

(a) – (b) + (c) ×

HOTS

1. 10 20 This is a number square with some

numbers missing. The number along each
edge must add up to 45.

Place each of these number in appropriate
square to make the totals correct.
5 23 17, 15, 2, 30

2. Use the correct sign ‘+’ or ‘–’

1. 28 10 = 18

2. 26 20 = 46

3. 30 30 = 0

4. 55 15 = 70

5. 90 10 = 100

ORAL QUESTIONS

1. What is 45 + 5 ?

2. What is 35 – 15 ?

3. If 28 + 10 = 38 then 38 – 10 = ?
4. What should be add to 19 so that answer will be 25?

5. What should be subtracted from 36 so that answer will be 6?