Walt: Use reversibility to rewrite addition and subtraction problems
Part-whole addition and subtraction
Show your working out in your maths book or in the box:
Sally had 33 raffle tickets. She sold 15. How many does she still have to sell?
Ana had $55. She spent $27 on dinner. How much money does she have left?
Joe has 27 donuts. He buys 36 more. How many does he have now?
A Moro bar weighs 45 grams. Jenna buys 3 Moro bars. How grams is that all together?
Olivia saved her pocket money. She spent $26 and has $18 left now. How much money did she have in the start?
Kingston made a big order at KFC. He bought 72 pieces of fried chicken. After dinner, there were 46 pieces left. How many pieces were eaten?
Jenna is 146cm tall. Her little brother is 88cm tall. How much taller is Jenna?
Ben and Sara played a game. Ben got 170 points. Sara got 234 points. How many points does Sara have than Ben?
Miss Scanlan has 342 Jelly Beans. She buys 98 more. How many does she have now?
Wiremu saved $365. His papa gave him $250 for his birthday. How much money does he have now?