Maths: Age 10

13 illustrated Maths lessons for Age 10.

Which decimal is bigger To compare two decimals, look at the tenths first, then the hundredths, then the thousandths. 0.3 is bigger th…
Fifteen hundredths on a grid and a line Cut 1 into 10 equal parts and you get tenths, into 100 parts hundredths, and into 1000 parts thousandths. Fift…
The parts of a circle Every point on a circle's edge is the same distance from its centre. The diameter goes straight across through…
Six Squares Fold into a Cube A flat shape made of six equal squares is joined edge to edge. It can fold along the joins until it becomes a …
Two and Three Quarters on a Strip A number line marks whole numbers with tall ticks. Each whole step is split into four equal parts, and a red d…
Tiles and Cord on a Tray The tray floor is covered with identical square tiles, and counting them tells you how much surface there is. …
Tarts with Equal Slices Two tarts are cut into four equal slices each. One plate has one slice, and the other plate has three slices.…
Multiply by 100 When you multiply a whole number by 100, each digit moves two places to the left. The two empty places left be…
Multiplying by Five To multiply by 5, first multiply by 10. Then take half of that answer.…
Circle Parts on a Wooden Disc A circle has a centre point, a radius from the centre to the edge, a diameter across through the centre, and a…
Same Amount Different Names Two cakes can show the same amount of icing even when they are cut into different numbers of equal parts. The …
Squares Cover a Shape Area tells how many square units fit inside a shape. You can count the squares that cover the shape completely…
Filling a Box with Cubes Volume is how many same-size cubes fit inside a box. Count the cubes in one flat layer, then count how many la…