## 28 October 2005 08:00

#### Techno-Tortoise

by knannA 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.

#### Space Jumps

by knannComplete 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

by knann & 1 otherYou 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

#### NLVM:Diffy

by knannSubtraction problems to 20. Fill in circles in middle with differences, Look for patterns. Teacher instruction initially. Click Instructions.

## 22 October 2005 10:45

#### NLVM: Interactive Number Grid

by knannThis 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.

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(5 marks)