Starter quiz
- Which of the following has more tens than 80?
- 50
- 70
- 90 ✓
-
- When counting, which decade would you say last?
- The forties
- The thirties
- The fifties ✓
-
- I’m thinking of a number. It is in the seventies, and it has 6 ones. My number is ______
- '76' ✓
- Put these numbers in the order you would say if counting forwards. 74, 76, 75, 73
- 1⇔73
- 2⇔74
- 3⇔75
- 4⇔76
- Use the correct symbol <, > or = to complete the following correctly. 7 ___ 9
- >
- < ✓
- =
-
- Which of the following is the missing number. 60 > ___
- 90
- 70
- 40 ✓
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Exit quiz
- Which of these numbers is greater than 54?
- 34 < 67 Which of these numbers will be further along the number line?
- 34
- 67 ✓
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- Complete the stem sentence. I know 68 is less than 82 because __________
- it is further along the number line.
- it is not as far along the number line. ✓
- it has more tens.
- it has fewer tens. ✓
-
- Which of these numbers is less than 62?
- Fill in the missing number. Which of the following could be the missing number? ___ > 85
- 58
- 95 ✓
- 83
-
- Which of the following is incorrect?
- 45 < 54
- 36 > 32
- 28 > 72 ✓
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Worksheet
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Presentation
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Video
Lesson Details
Key learning points
- When comparing two-digit numbers, the number of tens can be compared to find the greater number.
- When the tens in the numbers are the same, the greater number can be found by comparing the number of ones.
- The greater number can also be found using a number line.
- The greater number comes further in the counting sequence, so it will be further along the number line.
Common misconception
Children may think that they must see both the tens and ones in a two-digit number to compare them. They may also reverse the tens and ones and compare the ones first.
Ensure that numbers with the ones digit hidden are given to compare so that children can appreciate the relative size of the numbers. Use practical equipment and stem sentences to consolidate understanding of the structure of two-digit numbers.
Keywords
Compare - You compare to find out what is the same and what is different. You can compare numbers to find out if one is greater than or less than another.
Greater than - Is larger in value or size.
Less than - Is smaller in value or size, referring to an abstract or continuous number.
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