3rd Maths : Term 2 Unit 2 : Patterns
Patterns using 10 in multiplication and division
Example:
i) 10, 20, 30, 40, 50
ii) 1, 10, 100, 1000
iii) 2000, 200, 20, 2
iv) 5000, 500, 50, 5
Exercise
1. Make the patterns by multiplying with 10
i) 1, 3, 5, 7, ___, ___, ___, ___
ii) 2, 4, 6, 8, ___, ___, ___, ___
iii) 1, 3, 7, 13, ___, ___, ___, ___
iv) 3, 5, 9, 15, ___, ___, ___, ___
2. Make the patterns by dividing with 10
i) 110, 120, 130, ___, ___, ___
ii) 210, 230, 250, ___, ___, ___
iii) 470, 430, 410, ___, ___, ___
iv) 540, 470, 350, ___, ___, ___
v) 500, 510, 520, ___, ___, ___
3. Find the rule and complete the following pattern.
Answers
Exercise 1 Answers
i) 1, 3, 5, 7, 10, 30, 50, 70
ii) 2, 4, 6, 8, 20, 40, 60, 80
iii) 1, 3, 7, 13, 10, 30, 70, 130
iv) 3, 5, 9, 15, 30, 50, 90, 150
Exercise 2 Answers
i) 110, 120, 130, 11, 12, 13
ii) 210, 230, 250, 21, 23, 25
iii) 470, 430, 410, 47, 43, 41
iv) 540, 470, 350, 54, 47, 35
v) 500, 510, 520, 50, 51, 52