Page 165 - Viva

30. _________ can be defined as the process of organizing data into relevant groups of categories.

31. _________ are arrangements, series or sequences that repeat following a rule or set of rules.
32. The patterns are made by repeating _________ or a _________ of the pattern.
33. A _________ is a set way to calculate or solve a problem in a pattern.

C. Write the correct answer.

1. Represent 2654 on the abacus.
2. Write 9562, 9243, 9189 and 9789 in ascending and descending orders.
3. Form all possible 4-digit numbers using 7, 4, 2 and 9 without repeating the digits.
4. Find the sum of 425, 102 and 365.
5. Add 132, 545 and 274 using the expanded form.

6. Add 77 and 84 using the shortcut method.
7. Subtract 89 from 356.

8. Subtract 486 from 918 using the expanded form.
9. Find the difference between 728 and 586 using estimation method by rounding off the
numbers to the nearest 10 and compare with the actual value.
10. Construct the tables of 2 and 5 by skip counting.
11. Multiply 44 by 9.

12. Multiply 56 by 9 using the expanded notation.
13. Distribute 12 apples equally among 4 children.
14. Divide 36 by 9 using repeated subtraction.
15. Divide 48 by 6 on a number line.
16. Write the number of horizontal, vertical and curved lines in the following figures.

(a) (b) (c)

17. Write two lines about each of the following solids.
(a) Cube (b) Cylinder (c) Cone

18. The positions of the vertices of two shapes are given below. Draw the shapes in the grid and
name them.

(a) (1, D), (3, B), (5, C), (3, E) (b) (5, G), (3, G), (5, I), (3, I)
19. Convert 3500 cm and 4563 cm to metres.
20. Tick the box next to the heavier fruit.
(a) (b)

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