Maths Starter
Maths a day (Complete Q21-31)
L.I – Use a grid to work out multiplication calculations.
Send work on Seesaw (Draw Template) or from your jotters.
- Use the grid method for the following calculations;
a) 34 x 6 b) 73 x 8 c) 329 x 3 d) 543 x 6
Check your answers by completing a formal sum. (Upstairs, down stairs sum)
2. Watch the video for using the grid method. This time you can watch the full video to see how the grid method progresses to multiplying 2-digit by 3 digit sums.
Example Question
A ticket to the theme park costs £27 and a class of 34 children want to go for a school trip. How much will it cost altogether?
Try the following questions
2a) 13 x 16 b) 25 x 18 c) 52 x 12 d) 83 x 21
3. Swap the digits
- Multiply 39 × 62
- Swap the digits around, i.e. 93 × 26, and multiply these.
- What do you notice?
Do the same for b) 46 × 32 and c) 64 × 23. Investigate whether or not there are more pairs like this and try to explain your findings.
COMPLETE THE EXIT CARD ON SEESAW
Extension
Revision for adding and subtracting formal methods and mental strategies.
https://www.bbc.co.uk/bitesize/articles/z6jhpg8
