Year 4's Maths Tricks
In Year 4 we have been using our 'tricks' to help us work out challenging problems!
Have a look at some of the examples where the children used their knowledge of patterns to extend their learning.
"For 375 + 200. My trick is that if I know 3+2=5, then I also know that 300+200=500. Then I just add on 75." - Evellyn
"For 57-19. I know that I cannot take 9 away from 7, so I have to regroup. It then becomes 17. 17-9=8 and 4-1=3. So the answer is 38!" - Bola
"For 96 ÷ 4. I knew that 4x12=24 and 48x2=96. I also checked it by doing the short efficient method." - Lily
"I knew I had to do the inverse operation because I needed to know the difference. So I subtracted the ones column (5-4=1) then the tens column (60-30=30) then added them together (1+30=31)." - Adeoye