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\\November 3, 2023 10:57 AM Surender Prajapati Proof 5 Reader _________________________ Date: ___________________74

10. Write a mathematical expression for each of the following using brackets.
(a) 5 is multiplied to the difference of 17 and 7.

(b) Subtract 9 from the sum of 26 and 8.
(c) Add 25 to the difference of 72 and 16.

(d) 36 is divided by the difference of 13 and 7.
(e) Divide the sum of 16 and 8 by the difference of 9 and 3.

11. Raj has 4 sets of 5 stamps. He gave 6 stamps to Sanjay. Write the numerical expression
for the number of stamps left with Raj.
12. Divya has a `500 note. He bought a calculator for `210 and 3 blue pens worth `25
each and a maths notebook worth `48. How much money was left with her?

13. Solve the following.

(a) 18 – [6 + {40 – (3 × 4) – (8 + 6)} – 2]

(b) {100 + (16 × 3 – 14)} + 99 ÷ 9
14. Fill in the missing symbols.

(a) 125 25 + 3 × 10 = 35 (b) 78 ÷ 3 16 – 4 = 38

(c) 20 5 × 6 – 30 ÷ 6 = 45 (d) 46 ÷ 2 8 × 2 = 7

Mental Maths

Tick () the correct option.
1. The sum of the smallest 4-digit, 5-digit and 6-digit numbers is

(a) 1100000 (b) 100000 (c) 110000 (d) 111000
2. 786200 ÷ 100 = ?

(a) 786 (b) 862 (c) 7862 (d) 78
3. If 493685 is divided by 1000, the remainder is

(a) 685 (b) 85 (c) 5 (d) 49
4. Which of the following operations is performed first while simplifying a numerical
expression?

(a) + (b) – (c) × (d) ÷

5. 8 × 8 – 8 = ?

(a) 0 (b) 56 (c) 1 (d) 64

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