Page 26 - Viva

Progress Worksheet

Mental Maths
1. Observe the pictorial blocks and write the numbers they represent.

(a) + + + = _______

(b) + + + = _______

2. Fill in the blanks.

(a) 5387 = ___Th + ___H + ___T + ___O
(b) ______ = 4 Th + 6 H + 2 T + 8 O

(c) 8924 = _______+ _____ + ____ + ___ (write the expanded form)

(d) _______ = 9000 + 600 + 10 + 7 (write in standard form)

3. Put the correct sign <, > or =.

(a) 3245 3452 (b) 9980 9908

(c) 7070 7707 (d) 1789 1789

Solve and Answer

4. Write the place value of the underlined digit in the given numbers.
(a) 9009 (b) 1099 (c) 8719 (d) 2694

5. Arrange 8464, 9456, 8642, 7245, 4944 and 5940 in ascending order.

, , , , ,

6. Arrange 3424, 4426, 3571, 5345, 4345 and 5340 in descending order.

, , , , ,

7. Round off the following numbers as per instructions.
(a) 57 (to the nearest 10) (b) 348 (to the nearest 100)

(c) 5884 (to the nearest 1000) (d) 947 (to the nearest 10)

8. Write the smallest and the largest 4-digit numbers that can be formed using the
digits 6, 8, 9, 0.

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