Thursday , July 7 2022
NCERT 5th Class (CBSE) Mathematics: Large Numbers

NCERT 5th Class (CBSE) Mathematics: Large Numbers

Examples

Round 978 to the nearest 100.

Step 1. Decide between which two multiples of 100 the number lies. 978 lies between 900 and 1000.

Step 2. Look at the digit to the right of the place you are rounding to.       978
You are rounding to the hundreds place. So look at the tens place.

Step 3. Since 7 > 5, round up.
978 is rounded up 1000.

Exercise

Question: Round to the nearest 10.

(a) 23

Answer: 20

(b) 85

Answer: 90

(c) 53

Answer: 50

(d) 48

Answer: 50

(e) 21

Answer: 20

(f) 51

Answer: 50

(g) 96

Answer: 100

(h) 37

Answer:  40

(i) 74

Answer:  70

(j) 19

Answer:  20

(k) 62

Answer: 60

(l) 34

Answer: 30

Question: Round these numbers to the nearest 100.

(a) 139

Answer: 100

(b) 902

Answer: 900

(c) 362

Answer: 400

(d) 737

Answer: 700

(e) 591

Answer: 600

(f) 72

Answer: 100

(g) 449

Answer: 400

(h) 255

Answer: 300

(i) 846

Answer: 800

(j) 488

Answer: 500

(k) 612

Answer: 600

(l) 958

Answer: 1000

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2 comments

  1. Very nice!

  2. Very good!