In-depth Investigation: Mixed Bags
Children look for multiples of 2p and 5p, then 3p and 5p with given totals to solve a problem.
In-depth Investigation: Diagonal hundreds
Children use trial and improvement to place numbers in a grid to give a pair of diagonals whose sum is equal to 100.
Use and apply skills from this unit by completing the ‘Problem-writing’ group activity from Day 3.
In-depth Investigation Making Longer, Making Shorter
Make rods using different numbers of interlocking cubes. A practical context to explore simple multiplying and dividing, and to use the vocabulary of halves and quarters. Making Longer, Making Shorter from nrich.maths.org.
In-depth Investigation: Odd Times Even
Try multiplying any odd and even number together. Use different models to show this. Can children make any observations or generalisation about what happens when you multiply an odd and an even number? Odd Times Even from nrich.maths.org.