# Maths Challenge – rounding

Can you explain the mistakes with rounding numbers that have been made below?

### 19 thoughts on “Maths Challenge – rounding”

• 28th September 2020 at 4:28 pm

Mistake one is wrong because the forgot the thousand
Mistake two is wrong because they rounded to the nearest 10 not hundred
Mistake three is wrong because 5 mean round up but they round rounded down

• 7th October 2020 at 7:58 pm

The answer is 6,400 because 5 can be rounded up.

• 30th September 2020 at 7:45 pm

For mistake 1 He or She has forgotten about the thousands.
For mistake 2 He or She thought he was rounding to the nearest 10.
For mistake 3 He or She has forgotten about the rule if it is 4 or bellow you round down if 5 or above you round up.

• 1st October 2020 at 2:48 pm

the 5 and above only go up

• 1st October 2020 at 2:53 pm

it is mistake 3 because if you round up you will get mistake 3

• 1st October 2020 at 2:56 pm

1) They rounded and then took away 6000.
2) They rounded to the nearest 10.
3) They rounded down.

• 1st October 2020 at 2:57 pm

1) They rounded and then took away 6000
2) They rounded to the nearest 10
3) They rounded down

• 1st October 2020 at 3:02 pm

6352 to closest is 6300-mistake 3

• 1st October 2020 at 3:03 pm

6352 to closest is 6400-mistake 3

• 1st October 2020 at 3:05 pm

I love maths

• 1st October 2020 at 5:51 pm

For mistake 1 he / she has forgotten about the thousands.
For mistake 2 he / she has thought we are rounding to the nearest 10.
For mistake 3 he / she has forgotten about the rule of it is 4 or bellow you round down, if it is 5 or above then you round up.

• 3rd October 2020 at 7:47 am

The real answer is 6,400

• 9th October 2020 at 8:08 pm

1. She or he forgot thousands 2. She or he thought that they where rounding to nearst 10. 3. She forgot a rule 4 of below round down 5 or above round up

• 14th October 2020 at 7:54 pm

A. 720,700
B. 1,610,1,600,2,000
C. 2,230,2,200,2,000
D. 5,000,5,000,5,000
E. 6,090,6,100,6,000
F. 4,900,4,900,5,000

• 18th October 2020 at 10:49 am

1.450
2.6300
3.6000

• 18th October 2020 at 6:42 pm

Mistake 1 is rong because they forgotten the thoasand
Mistake 2 is rong because they not spoast to round to 10
Mistake 3 is rong because the rule is if it’s in see 5 round down but they rounded up

• 18th October 2020 at 6:48 pm