Adding and subtracting 1000

Maths

Exploring calculation strategies and place value

The numbers of ones does not change so the digit stays the same

The ones digit moves one place to the left and a zero is put in the ones place as a place holder

When adding 1000, what happens to the ones digit?

The headteacher bought new books for the school library.  It cost £1538.   She then decided to buy some more that cost £1000.  How much did the headteacher spend on new books in total?

When comparing numbers you compare the digits in the thousands place first.

Choose the correct statement.  The numbers should be ordered from lowest to highest.

Choose the correct statement.  The numbers should be ordered from highest to lowest.

Adding and subtracting 1000

Lesson outcome