Following and Devising Algorithms: Quick Way of Finding
Finding 10 More or Less Than a Number
The quick way of finding 10 more than and less than a given number.
Colour the table in the next page by skip counting in tens as per the instructions given below.
1. Colour the numbers starting from 12 in blue.
2. Colour the numbers starting from 6 in pink.
3. Colour the numbers starting from 5 in yellow.
4. Colour the numbers starting from 9 in orange.
After colouring observe the table and fill in the blanks.
1. 10 more than 45 is 55.
2. 10 less than 45 is 35.
3. 10 more than 22 is 32.
4. 10 less than 22 is 12.
Activity
Complete the blanks