intuimath.

• 13

  Base-ten blocks

  Ten ones make a rod. Take it apart again whenever you like.

• 1 47 +18 65

  Column addition

  Add down the columns, carrying the ten as you go.

• 5 62 −27 35

  Column subtraction

  Take away column by column, borrowing a ten when you need one.

• 1 24 ×3 72

  Column multiplication

  Multiply digit by digit, keeping every column in its place.

• 2 × 3

  Times tables

  Work each table out from one you already know.

• Speed

  Watch a car eat the same distance every second, then say where it stops.

• Electricity

  Push current round a circuit and watch voltage, resistance and power answer back.

Still to write: long multiplication, short division, long division.