1. Maths Workshop Addition and Subtraction Year 3-4
= 100
Using only – and + can you find another way to make 100 using the digits 1 to 9 in the correct order

2. Solution…
= = = = = = = = = = = 100

3. Parents in partnership = progress + positivity
Why am I even here?
Parents in partnership = progress + positivity

4. What’s the plan? Overview of changes in maths curriculum
What your child will be learning in class
Supporting your child at home

5. Changes in the Maths Curriculum
When we were younger = practising methods
But, methods without understanding = errors
5 years old and I already hate maths

6. Changes in the Maths Curriculum
New curriculum = methods + understanding
Methods (procedural fluency)
Understanding (conceptual understanding)
These must be taught:
in parallel
with manipulatives
at the right stage
Raised expectations
Tutor Warning

7. Changes in the Maths Curriculum

8. Changes in the Maths Curriculum
Child led learning - layers
Hundreds tens and ones
NOT hundreds tens and units!
MUST use manipulatives in Y3 and Y4
‘Regrouping’ not ‘borrowing’ or ‘exchanging’

9. Changes in the Maths Curriculum

10. Addition

11. Addition

12. Addition

13. Base 10 Vs Place Value Counters
Base 10 gives more of a concept of size
Children do just get PV counters

14. Addition

15. Addition
77+45

16. Subtraction

17. Subtraction

18. Subtraction
Note that the number line method should still be modelled as part of a mental maths strategy
When calculating with time and finding time differences, the numberline method should be used EVERY TIME.

19. Subtraction
532 – 254

20. Supporting your child at home
Play games
Homework – Praise. Don’t panic!
Ask your child to explain everything

21. Supporting your child at home
Stuck in the Mud
Roll 5 dice. If 2 or 5 is rolled, discard the 2s and 5s and roll remaining dice.
Repeat until there are no 2s or 5s rolled.
Add up these dice and add this to your score
5 rounds. Highest score at the end wins.

22. Supporting your child at home
Tug of War
Start at 25. Take it in turns to roll the dice.
One player will add their score to 25, the other will take it away from 25.
The person subtracting wants to get to 0. The ‘adder’ wants to get to 50.
Repeat until the score reaches 0 or 50.

23. Supporting your child at home
Card games and counting games (e.g. Snakes & Ladders, Ludo and any dice games)
Recognising numbers and sequences when out and about (e.g. house numbers-odds and evens, bus numbers, car number plates etc.)
Recognising shapes (e.g. buildings, windows, food packaging etc.)
Helping in the kitchen (e.g. weighing ingredients, time duration, volume of liquids etc.)

24. Supporting your child at home
Helping in the supermarket (e.g. paying and change, weighed fruit and vegetables, calculating better value etc.)
CDs/Games for learning times tables
Take and compare measurements when DIY shopping (e.g. measuring spaces for curtains, furniture, wall paper etc.)
Tell the time/use timetables (e.g. bus times Sky TV guide)

25. Parents in partnership = progress + positivity
Why was I even here?
Parents in partnership = progress + positivity