Question
PSLE
For a recycling project, Cole collected 15 cardboard boxes, Fred collected 9z cardboard boxes and Mark collected 3 + z cardboard boxes.
  1. How many more cardboard boxes did Fred collect than Mark?
  2. How many cardboard boxes did the 3 boys collect altogether?
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

PSLE
For a recycling project, Cole collected 15 cardboard boxes, Fred collected 9z cardboard boxes and Mark collected 3 + z cardboard boxes.
  1. How many more cardboard boxes did Fred collect than Mark?
  2. How many cardboard boxes did the 3 boys collect altogether?