28 October 2005 08:00
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Techno-Tortoise
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A demonstrator for the use of number lines.Includes a game for adding two 2-digit numbers together by adding the tens first. Answer 5 questions correctly and you can play the flying game. Good for mental Math. Teacher directions needed.
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Space Jumps
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Complete these addition facts by first making 10 then adding the difference. Students will need instruction to understand the game. Good for mental arithmetic
22 October 2005 11:45
Flash Math: Follow the Rules
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You must follow the rules to get through the maze. Choose easy, medium, hard. Improve your mental math addition and subtraction problem-solving with this game! Demonstrate with projector for whole class in lower grades.
22 October 2005 11:00
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NLVM:Diffy
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Subtraction problems to 20. Fill in circles in middle with differences, Look for patterns. Teacher instruction initially. Click Instructions.
22 October 2005 10:45
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NLVM: Interactive Number Grid
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This virtual manipulative displays a grid containing numbers from 1 to 200. You can use it to explore patterns and relationships involving multiples. Great for whole class.Click Instructions.
1
(5 marks)