This book contains 24 number challenges. Children tackle them using strategies they know. If those strategies don't crack the problem, they learn new ones that fit, or do the job faster or more efficiently. The lessons in this book are genuinely interactive.Talk to the children about how any multiplication table can be derived using doubling, halving and addition. Write 13 in the first empty box of the grid and ask the class to work out double 1 3, then ten thirteens. Write these in. ... the 12 times table?aquot; aquot;What do you notice about the tens and hundreds digits in the 15 times table?
|Title||:||Teaching Mental Strategies Years 5 and 6|
|Author||:||Mike Askew, Frances Mosley, Debbie Robinson, Sheila Ebbutt|
|Publisher||:||Nelson Thornes - 2014-11-01|