Rounding numbers to the nearest 10

Rounding numbers to the nearest 10

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Lesson details

Key learning points

  1. In this lesson, we will use counting sticks and number lines to record the two nearest multiples of 10, position a number on a number line and decide which is the closer multiple of 10 to the number.

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5 Questions

Q1.
Mrs Crane has completed the following number line, is she correct?
An image in a quiz
No
Correct answer: Yes
Q2.
Mrs Crane has completed the following number line, is she correct?
An image in a quiz
Correct answer: No
Yes
Q3.
Complete this function machine by deciding if you need to subtract 10, 100 or 1000
An image in a quiz
10
Correct answer: 100
1000
Q4.
Complete this function machine by deciding if you need to subtract 10, 100 or 1000
An image in a quiz
10
Correct answer: 100
1000
Q5.
I think of a number. I subtract 100, then subtract 1000. My answer is 3450. What was my number?
3550
4450
Correct answer: 4550

5 Questions

Q1.
My number is 3641. Which of the following are the nearest two multiples of 10?
3600 and 3610
Correct answer: 3640 and 3650
3650 and 3660
Q2.
My number is 4304. Which of the following are the nearest two multiples of 10?
Correct answer: 4300 and 4310
4300 and 4400
4310 and 4320
Q3.
3655 rounded to the nearest 10 is 3660
False
Correct answer: True
Q4.
4001 rounded to the nearest 10 is 4010
Correct answer: False
True
Q5.
My number is 3780, it has been rounded to the nearest 10. Which of the following numbers could my number have been?
3771
Correct answer: 3782
3786

Lesson appears in

UnitMaths / Reasoning with 4-digit numbers