Positive and negative numbers and the addition of positive numbers to negative numbers.
The Chuckle Brothers work out how many tables are needed at a wedding reception.
A number and a quarter of that number add up to fifteen. What is the number?
Two simple division problems are solved using animated turtles.
A discussion about the place value of three-digit numbers.
Finding three-digit numbers with individuals digits that add up to 25.
Students find the individual weights of cats using knowledge of their combined weights.
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