Hi my team members. How is your day? pretty good I suppose.

Round off to the nearest 10

1. To round off to the nearest ten, we look at digit to the right of 10.

is it 5 or more???????

In the number 389, the digit is bigger than 5, so we add 1 to the digit in ten place

Omit any number to the right of 10 place.

389 is 390 when rounded off to the nearest ten.

Remember :

The rule is – if the first or two digit to the right of the rounding place is:

5 or 50 or more, round up

else, round down

Example:

1 653 is 1 650 when rounded off to the nearest ten.

53 745 is 53 750 when rounded off to the nearest ten.

hi buddy…love doing extra exercises?

Problem 1

(a) Round off to the nearest ten.

(i) 144 (ii) 1037

(b) Round off to the nearest hundred.

(i) 103 (ii) 1973

(c) Round off to the nearest unit.

(i) 2.8 (ii) 156.39

(d) Round off to the nearest thousand.

(i) 279 (ii) 2908

Problem 2

(a) Round off to the nearest tenth.

(i) 1. 73 (ii) 0.97

(b) Round off to 1 decimal place.

(i) 36.354 (ii) 129.509

(c) Round off to 2 decimal places.

(i) 5.357 (ii) 12.058

(d) Round off to the nearest cent.

(i) $28.7974 (ii) $8.9046

Problem 3

(a) 853.46, round off to the nearest hundred.

Question 2

(b) 2.3, round off to the nearest whole number.

Question 3

(c) $23.245, round off to the nearest hundredth.(or to 2 decimal places

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