Search Results For “prime number”

Using a number line to help with adding multiples of 100.

Add mentally a single digit to a 3-digit number.

Completing tricky number sequences.

Subtract 9 from any 2-digit number.

Find ten less with a number line to help.

Recognising ‘take away’, ‘take from’, ‘subtract’ and ‘subtract from’ with a number line to help.

Subtract a 1-digit number from a 2-digit number with a bar model to help.

Subtract 11 from a 2-digit number.

Subtract 21 from a 2-digit number.

Recognising ‘less than’, ‘more than’, and ‘difference between’ with a number line to help.

Subtract multiples of 10 up to 100 with a number line to help.

Subtract a single digit from a multiple of 10 with a number line to help.