Slides for LU students

1. Warm up…
This week we are going to return to our 3x table.
We are going to learn a song throughout the week to help us master the testing
threes!

3. Week 5
Lesson 1
Finding Sums

4. Discuss the language…
Pick out the words that we may use when finding the sum of two
numbers.
add divide group together
subtract share total lots of
times increase take away reduce
multiply plus times table minus

5. Speak to a partner…
What would your strategy be for working this sum out?
2 3 6
+ 1 2 1

6. Take a look at this sum…

7. We could use Base 10 or number
counters…
Have a go at finding the answer do this problem using your
number counters…
Find the total number of children at the school…

8. We could also use Base 10 to work this
problem out…

9. We could use expanded column
addition…

10. The final method is the method we would
hope you will be most confident with
using during Year 4…
What does this 1
mean?

11. Work with a partner on these three
questions…
Discuss –
which question
is the most
difficult and
why?

12. Let’s take a look at this problem
together…

13. £138 + £55
1 3 8
+ 5 5
Have I set my
calculation up
correctly?
Let’s try again…
1 3 8
+ 5 5

15. Warm up…
This week we are going to return to our 3x table.
We are going to learn a song throughout the week to help us master the testing
threes!

17. Week 5
Lesson 2
Adding without Renaming

18. Find the sum…
1 2 8
+ 3 3 9

21. Find the sum of the two numbers…
Use number discs to help you…
2314 + 4240

22. We can also use column addition!

23. Try these…

24. Warm up…
This week we are going to return to our 3x table.
We are going to learn a song throughout the week to help us master the testing
threes!

26. Week 5
Lesson 3
Adding with Renaming

27. Find the sum…
3 1 2 8
+ 4 3 3 1

28. Before we find the answer, who can estimate the answer?
(remember how we round numbers)

29. There are many ways to find the answer
to this sum…

31. We could use expanded column method
and partition the numbers…

32. What other method could we use?
Can a brave volunteer come to the board and
show us?
5 6 0 8
+ 1 2 3 5

33. Try these…

34. 10/10/18
Column Addition
Set task 1 out using 1 digit per square.

35. Warm up…
This week we are going to return to our 3x table.
We are going to learn a song throughout the week to help us master the testing
threes!

37. Week 5
Lesson 4
Adding with Renaming

38. Spot the mistake…
5 6 0 8
+ 1 2 3 5
6 8 3 3

39. Today’s lesson is slightly more difficult…
You will be answering sums that have 1, 2 or
3 elements of renaming…

40. The sum below only makes us use
renaming once when adding the ones…
5 6 0 8
+ 1 2 3 5
1
3486

41. This is slightly more difficult…
4 3 9 8
+ 1 2 3 4
2
1
365
1

42. If you understand this, then you are a
genius!
6 3 9 8
+ 1 8 2 6
4228
111

43. Have a go!
2 3 5 1
+ 1 2 1 7
4 3 5 4
+ 1 2 6 7
1 3 5 8
+ 3 4 1 7
2 9 5 8
+ 1 6 7 7