Order and compare decade numbers on number tracks
I can order the decade numbers 0-100 on a number track and say which number is greater than or less than another.
Order and compare decade numbers on number tracks
I can order the decade numbers 0-100 on a number track and say which number is greater than or less than another.
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Lesson details
Key learning points
- Decade numbers can be ordered on a number track by counting in tens or by looking at the number of tens in the number.
- You can compare decade numbers using greater than and less than.
Keywords
Greater than - Greater means a larger amount, so if a number is greater than another, it represents a larger amount.
Less than - Less means a smaller amount, so if a number is less than another, it represents a smaller amount.
Common misconception
Children may think that only consecutive numbers can be ordered.
Order non-consecutive numbers, then place back with other numbers on number track to consolidate understanding of their relative size.
Licence
Lesson video
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Prior knowledge starter quiz
6 Questions
Q1.Look at these numbers 70, 80, 90, 100. Complete the stem sentence. They are all numbers.
Q2.Match the decade numbers to the number of groups of 10 they have.
4 tens
7 tens
10 tens
1 ten
Q3.Put these decade numbers in the order you would say when counting forwards.
Q4.How many tens are in this number?
Q5.How many fingers are there altogether?
Q6.Put these decade numbers in the order you would say when counting backwards.
Assessment exit quiz
6 Questions
Q1.Which numbers are missing from the number track?
Q2.Izzy wants to put these numbers in the correct order on her number track. Which would she place first if counting forwards?
Q3.A number on the number track is hidden. Which of these numbers must it be?
Q4.Look at the image. Which of the following 2 numbers are greater than 50?
Q5.Complete the stem sentence. 60 is than 90.
Q6.Compare the 3 numbers shown. Which of the following is true?
