mei 2010

Rounding off- to the nearest hundred

Number Number line

Round off to the nearest ten

82 _____ ≈_____

117 _____ ≈_____

Rounding off to the nearest tenRounding off to the nearest ten

Number Number line

Round off to the nearest ten

863 _____ ≈_____

4156 _____ ≈_____

Rounding off to the nearest tenRounding off to the nearest ten

Number Number line

Round off to the nearest ten

6381 _____ ≈_____

81 098 _____ ≈_____

Rounding off to the nearest tenRounding off to the nearest ten

34

Circle and Underline MethodCircle and Underline Method

This digit will tell you the nearest tens are 30 and 40

This digit will tell you to round up or round down

Rounding off to the nearest tenRounding off to the nearest ten

82 ≈

117≈

Rounding off to the nearest tenRounding off to the nearest ten

863 ≈

4156≈

Rounding off to the nearest tenRounding off to the nearest ten

863 ≈4156≈

98 995 ≈

8604160

99 000

mei 2010

Number Number line

Round off to the nearest hundred

1031

_____ ≈_____

2935 _____ ≈_____

Rounding off to the nearest hundredRounding off to the nearest hundred

Number Number line

Round off to the nearest hundred

17 609 _____ ≈_____

69 984 _____ ≈_____

Rounding off to the nearest hundredRounding off to the nearest hundred

NumberNumber line

Round off to the nearest

hundred

19 689 _____ ≈_____

99 743 _____ ≈_____

Rounding off to the nearest hundredRounding off to the nearest hundred

Rounding off to the nearest hundredRounding off to the nearest hundred

1863 ≈4156≈

98 995 ≈

Circle and Underline MethodCircle and Underline Method

18004200

99 000

Don’t be fooled!

Nearest ten Nearest hundred

158

263

1031

Don’t be fooled!

Nearest ten Nearest hundred

2935

19 689

99 743