6.3 ­ Rounding to the nearest whole number
Lesson Starter
11/12/14
For each pair of numbers say which number is bigger
1) 9.56 or 9.65
2) 10.2 or 10.02
3) 0.07 or 7
4) 15 or 14.98
Put these numbers in order from smallest to largest
5) 10.2, 10.01, 10.5, 11.5, 10.02
6) 15.6, 15.65, 15.05, 15.5, 15.7
Apr 13­09:22
1
6.3 ­ Rounding to the nearest whole number
Learning intention
11/12/14
Exploring decimals
Success Criteria
By the end of the lessons, I will be able to:
• round decimal numbers to the nearest whole number
Jun 1­12:10
2
6.3 ­ Rounding to the nearest whole number
S6.2: Rounding decimals to one decimal
S
place
0.28
0
0.1
0.3
0.2
0.15
0.05
0.25
Example 1:
The red arrow is between 0.2 and 0.3
• It points to 0.28.
• 0.28 is nearer to 0.3 than 0.2.
0.28 rounded to one decimal place (the nearest tenth) is 0.3
Example 2: Round 6.23 to one decimal place.
Sep 7­16:10
3
6.3 ­ Rounding to the nearest whole number
Classwork.
B1 Book
Success Criteria
Ex 6.2
• I will be able to round
decimals to the nearest
whole number
Page 79
Nov 24­12:46
4