In this KS2 Maths article you’ll learn techniques for adding 3-digit and 1-digit numbers together. ... You can use number lines, place value charts and place value counters.

Increasing and decreasing the value of 3-digit numbers. ... 10–90 or 100-900 points away. If they choose the correct place value to match the target, they win the game.

The idea of place value is introduced and we learn how the value of a number changes depending on its position. Classroom Ideas Students could be given digits 0 - 9 and asked to choose three digits.