Search Results For “doubling and halving to 20”

Finding fractions of metric units and converting from large units to small and vice versa.

Some tricky problem solving on length, weight and capacity. Also introducing newtons.

More on reading and interpreting scales using weight and length.

More on units of measurement and rounding to the nearest unit and tenth of a unit.

Investigating the circumference and diameter of circles.

Frequency block graphs and tables are very tricky to use and interpret.

Some great patterns can be found when dividing by 9 or 11, and using square numbers.

Plenty of ideas to help with investigations and inventing similar problems.

Something different here: the mathematical sign and a number are both missing.

Word problems using length and mass. All quite straightforward using addition and multiplication.

Lots of doubles, products and multiplying by ten today.

It's multiplication and division this week. How do you multiply by 99 in your head? Easy if you think about it!