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Topic: NS2.2 Addition and Subtraction
Uses mental and written strategies for addition and subtraction involving two-, three- and fourdigit
numbers
Addition Aliens Attack
How fast are you at adding and subtracting? This math game will let you blast through the alien hordes by typing out the sum or difference between the numbers you see above the aliens as they attack. There are four difficulty settings you can play. Beginner, Intermediate, Advanced, and Impossible.
Addition using base ten blocks (animation)
Clear animations of the process of addition with an emphasis on place value. Carrying (or regrouping, trading, renaming) tens, hundreds and thousands are also explained in a set of animations suitable for the IWB or projector. Free.
Addition with mathematical working (animation)
A series of clear, engaging animations suitable for the interactive whiteboard or projector. Optionally, step-by-step explanations that emphasize an understanding of place value can be displayed. Free,
Arcademic Skill Builders
Various single and multi-player games for number operations and fractions.
(The multi-player functionality does not work in the NSW DET, requires a firewall change.)
Connect Sums
Rack up points by clicking on a consecutive series of connected values that add up to the targeted sums.
Penguin Bowling Game
“The Penguin Bowling Game was designed to provide mixed basic facts practice. Students toss 4 dice, then use the numbers from the dice throw and any of the four operations (+, -. *, /) to form expressions to knock down penguin pins. They are trying to create expressions that result in answers of each number from 1-10.”