Alex has 262 stickers. She buys 6 more stickers. How many stickers does Alex have now?

(a)  

Complete the number sentence. 522 = 8 +

(a)  

Work out the calculations.

(a)  

What is Tommy's new number?

(a)  

Work out 453 + 537.

(a)  

Complete the bar models

(a)  

Explain the mistake.

Rosie wants to work out 102 − 98 mentally.

Explain a method that Rosie could use.