Rounding a Number to 1 Decimal Place

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How to Round a Number to the Nearest Tenth (1 Decimal Place) For more maths help & free games related to this, visit: www.makemymathsbetter.com

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Transcript of Rounding a Number to 1 Decimal Place

Page 1: Rounding a Number to 1 Decimal Place

How to Round a Number to the Nearest Tenth (1 Decimal Place)

For more maths help & free games related to this, visit:

www.makemymathsbetter.com

Page 2: Rounding a Number to 1 Decimal Place

First look at the value of the digit in the hundredths column

4.675 Has 7 hundredths

Page 3: Rounding a Number to 1 Decimal Place

First look at the value of the digit in the hundredths column

4.675 Has 7 hundredths

5.85 Has 5 hundredths

Page 4: Rounding a Number to 1 Decimal Place

First look at the value of the digit in the hundredths column

4.675 Has 7 hundredths

5.85 Has 5 hundredths

3.7298 Has 2 hundredths

Page 5: Rounding a Number to 1 Decimal Place

First look at the value of the digit in the hundredths column

4.675 Has 7 hundredths

5.85 Has 5 hundredths

3.7298 Has 2 hundredths

4.23045 Has 3 hundredths

Page 6: Rounding a Number to 1 Decimal Place

You round down to the nearest tenth if the hundredths digit is 0,1,2,3 or 4.

3.726 is rounded down to 3.7

Page 7: Rounding a Number to 1 Decimal Place

You round down to the nearest tenth if the hundredths digit is 0,1,2,3 or 4.

3.726 is rounded down to 3.7

4.23 is rounded down to 4.2

Page 8: Rounding a Number to 1 Decimal Place

You round down to the nearest tenth if the hundredths digit is 0,1,2,3 or 4.

3.726 is rounded down to 3.7

4.23 is rounded down to 4.2

17.5178 is rounded down to 17.5

Page 9: Rounding a Number to 1 Decimal Place

You round down to the nearest tenth if the hundredths digit is 0,1,2,3 or 4.

3.726 is rounded down to 3.7

4.23 is rounded down to 4.2

17.5178 is rounded down to 17.5

120.60124 is rounded down to 120.6

Page 10: Rounding a Number to 1 Decimal Place

You round down to the nearest tenth if the hundredths digit is 0,1,2,3 or 4.

3.726 is rounded down to 3.7

4.23 is rounded down to 4.2

17.5178 is rounded down to 17.5

120.60124 is rounded down to 120.6

45.44008 is rounded down to 45.4

Page 11: Rounding a Number to 1 Decimal Place

You round up to the nearest tenth if the hundredths digit is 5,6,7,8 or 9.

4.67 is rounded up to 4.7

Page 12: Rounding a Number to 1 Decimal Place

You round up to the nearest tenth if the hundredths digit is 5,6,7,8 or 9.

4.67 is rounded up to 4.7

5.8577 is rounded up to 5.9

Page 13: Rounding a Number to 1 Decimal Place

You round up to the nearest tenth if the hundredths digit is 5,6,7,8 or 9.

4.67 is rounded up to 4.7

5.8577 is rounded up to 5.9

17.7802 is rounded up to 17.8

Page 14: Rounding a Number to 1 Decimal Place

You round up to the nearest tenth if the hundredths digit is 5,6,7,8 or 9.

4.67 is rounded up to 4.7

5.8577 is rounded up to 5.9

17.7802 is rounded up to 17.8

125.29 is rounded up to 125.3

Page 15: Rounding a Number to 1 Decimal Place

You round up to the nearest tenth if the hundredths digit is 5,6,7,8 or 9.

4.67 is rounded up to 4.7

5.8577 is rounded up to 5.9

17.7802 is rounded up to 17.8

125.29 is rounded up to 125.3

46.36445 is rounded up to 46.4

Page 16: Rounding a Number to 1 Decimal Place

Watch out for numbers which have 9 in the tenths column.

e.g. 2.97If you are rounding up, you will make 10 tenths. This makes 1 unit, so you have to round to the next whole number (in this case to 3).

Page 17: Rounding a Number to 1 Decimal Place

Watch out for numbers which have 9 in the tenths column.

e.g. 2.97If you are rounding up, you will make 10 tenths. This makes 1 unit, so you have to round to the next whole number (in this case to 3).

For the same reason, 23.964 becomes 24

Page 18: Rounding a Number to 1 Decimal Place

Watch out for numbers which have 9 in the tenths column.

e.g. 2.97If you are rounding up, you will make 10 tenths. This makes 1 unit, so you have to round to the next whole number (in this case to 3).

For the same reason, 23.964 becomes 24

12.9505 becomes 13

Page 19: Rounding a Number to 1 Decimal Place

Watch out for numbers which have 9 in the tenths column.

e.g. 2.97If you are rounding up, you will make 10 tenths. This makes 1 unit, so you have to round to the next whole number (in this case to 3).

For the same reason, 23.964 becomes 24

12.9505 becomes 13

And 6.98 becomes 7