1. Year 2 Autumn Term Week 2 Lesson 3
Place Value,
Ordering and
Estimating
Year 2 Autumn Term Week 2 Lesson 3

2. Today we will be learning:
how to recognise numbers
where numbers are on a number line
to understand the words used with estimation
how to round more accurately.

3. Rounding is when you change a number to its nearest ten.
Excuse me owl, but what is rounding?

4. Make sure you are holding a two-digit number card.
Mental Activity
Sit in a circle.
Make sure you are holding a two-digit number card.

5. Remember how the number shows how many tens and ones there are.
How many tens does this number have?
How many ones does this number have? 23

6. Remember how the number shows how many tens and ones there are.
How many tens does this number have?
How many ones does this number have? 42

7. Who is the first to put their card down?
Put your cards on the floor if they match the rules I am going to give you.
Who is the first to put their card down?
If your card has three tens.

8. Who is the first to put their card down?
Put your cards on the floor if they match the rules I am going to give you.
Who is the first to put their card down?
If your card has four ones.

9. Who is the first to put their card down?
Put your cards on the floor if they match the rules I am going to give you.
Who is the first to put their card down?
If your card has seven tens.

10. Who is the first to put their card down?
Put your cards on the floor if they match the rules I am going to give you.
Who is the first to put their card down?
If your card has no ones.

11. Who is the first to put their card down?
Put your cards on the floor if they match the rules I am going to give you.
Who is the first to put their card down?
If your card has the same number of tens and ones.

12. Keep playing until your teacher says stop.
Now you are getting good at this – the winner of the last game will make a rule.
Keep playing until your teacher says stop.

13. Today we are going to do some more work on two-digit numbers.
Main Activity
Today we are going to do some more work on two-digit numbers.

14. How many ones in a base ten rod?
How many pennies in 10p?
How many ones in a base ten rod?
Show 13p in base ten apparatus.

15. Show me in coins how much this would be?

16. Where should this amount be placed on the number line?90 80 70 60 50 40 30 20 10
100

17. Where should this amount be placed on the number line?90 80 70 60 50 40 30 20 10
100

18. Where should this amount be placed on the number line?90 80 70 60 50 40 30 20 10
100

19. Where should this amount be placed on the number line?90 80 70 60 50 40 30 20 10
100

20. Where should this amount be placed on the number line?90 80 70 60 50 40 30 20 10
100

21. Where should this amount be placed on the number line?90 80 70 60 50 40 30 20 10
100

22. Position pictorial representations of numbers on a number line.
Group Work
Position pictorial representations of numbers on a number line.