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Abacus v1.4	Operations with numbers (Math 1)	Java Applet	Tool		[1]
The Abacus Java Applet/Application is an implementation of an Abacus counting machine. The machine displays a total for the number represented by the machine's current state in addition to each digits... More: lessons, discussions, ratings, reviews,...
Addition Surprise	Addition (Math 1)	Shockwave	Tool		[1]
Students practice addition facts by dragging the given numbers onto the Fact Table to a box where the row and column add up to the given number. A free preview activity from Harcourt School Publisher... More: lessons, discussions, ratings, reviews,...
Addition Table	Addition (Math 1)+	Flash	Tool		[1]
The object of this game is to fill the whole addition table with the numbered tiles. Users can pick up and drag each tile to its correct cell with the mouse. If the cell in the table is clicked, its a... More: lessons, discussions, ratings, reviews,...
Addition Worksheets	Operations with numbers (Math 1)	JavaScript	Tool		[0]
A script which allows control over generating positive whole number addition problems of various lengths. More: lessons, discussions, ratings, reviews,...
Addition Worksheets Story	Operations with numbers (Math 1)	JavaScript	Story		[0]
Middle school teacher, Jeff LeMieux, writes about how he uses the Javascript page, Addition Worksheets. More: lessons, discussions, ratings, reviews,...
Arithmetic Quiz	Addition (Math 1)+	Java Applet	Tool		[1]
This activity allows the user to practice addition, subtraction, multiplication, and division, with variable difficulty, type of problem, and time allowed. Scoring is also an option. More: lessons, discussions, ratings, reviews,...
Base Blocks	Operations with numbers (Math 1)+	Java Applet	Tool		[7]
Illustrate addition and subtraction in a variety of bases. More: lessons, discussions, ratings, reviews,...
Base Blocks Addition	Addition (Math 1)	Java Applet	Tool		[4]
Use base ten blocks to model grouping in addition. More: lessons, discussions, ratings, reviews,...
Base Blocks Subtraction	Subtraction (Math 1)	Java Applet	Tool		[4]
Base blocks consist of individual units, longs (containing 10 units), flats (containing 10 longs), and blocks (containing 10 flats) and can be used to show place value for numbers and to increase unde... More: lessons, discussions, ratings, reviews,...
Building Houses Activity	Operations with numbers (Math 1)	Java Applet	Activity		[0]
Students count, order, and compare the different sizes of integer bars as they make house designs using the Integer Bar applet by Jacobo Bulaevsky. More: lessons, discussions, ratings, reviews,...
Count Us In: Game 7	Addition (Math 1)	Flash	Tool		[11]
The bus number tells you how many children you should put on the bus. Click and drag the children, in as many different ways as you can. When they are sitting down, click "check number" to make the bu... More: lessons, discussions, ratings, reviews,...
Count Us In: Game 8	Subtraction (Math 1)	Flash	Tool		[0]
Count the number of pins that will still be standing. Type in that number. Click on the bowling ball or hit enter. If the number is correct the ball will bowl. Keep going until you have reached zero. ... More: lessons, discussions, ratings, reviews,...
Develop Strategies for Mental ...	Mental math (Math 1)	Computer	Tool		[0]
Mental math lessons and practice. Covers "compatible numbers", estimating, the Distributive Property, and finding patterns. More: lessons, discussions, ratings, reviews,...
Diffy	Subtraction (Math 1)	Java Applet	Tool		[1]
Solve an interesting puzzle involving the differences of given numbers. More: lessons, discussions, ratings, reviews,...
Episode 7: Addition	Addition (Math 1)	Flash	Lesson Plan		[5]
Activities to explore addition of numbers up to 12. More: lessons, discussions, ratings, reviews,...
Episode 8: Subtraction	Subtraction (Math 1)	Flash	Lesson Plan		[0]
Activities to introduce the concept of subtraction as the inverse of addition. More: lessons, discussions, ratings, reviews,...
Estimating Whole Numbers and D...	Estimation (Math 1)	Computer	Tool	$	[0]
Alterable worksheet allows students to estimate the location of points on unmarked number lines, on the intervals [0, 50] and [0, 100]. Fee required to print: see this page. More: lessons, discussions, ratings, reviews,...
Estimating Whole Numbers and D...	Estimation (Math 1)	Computer	Tool	$	[0]
Alterable worksheet in which students estimate the positions of points on unmarked number lines, on the intervals [0, 100], [0,1000], [-10, 0], [-100, 0]. Fee required for printing: see this page. More: lessons, discussions, ratings, reviews,...
Five Frame	Addition (Math 1)	Java Applet	Tool		[3]
In this interactive five-frames tool, users practice counting and adding to ten. The frames help users think of numbers in relation to 5. More: lessons, discussions, ratings, reviews,...
Guess the Number	Estimation (Math 1)	Flash	Tool		[0]
The computer generates a random number. Students use the given higher/lower clues to work towards the hidden number. More: lessons, discussions, ratings, reviews,...
Hiding Ladybug	Estimation (Math 1)	Java Applet	Tool		[0]
The three-part ladybug example presents a rich computer environment in which students can use their knowledge of number, measurement, and geometry to solve interesting problems. Planning and visualizi... More: lessons, discussions, ratings, reviews,...
Integer Bars	Operations with numbers (Math 1)	Java Applet	Tool		[0]
Integer bars are similar to "Cuisenaire Rods." This applet offers various ways of manipulating virtual integer bars on screen. Its associated lesson contains material to introduce many basic mathemati... More: lessons, discussions, ratings, reviews,...
Integer Bars: Lesson Descripti...	Operations with numbers (Math 1)	Java Applet	Lesson Plan		[0]
Bulaevsky's lesson plan for his Integer Bars applet contains material to introduce many basic mathematical concepts, such as addition, subtraction, multiplication, division, fractions, geometry, chart... More: lessons, discussions, ratings, reviews,...
Let's Count	Addition (Math 1)	JavaScript	Tool		[2]
This site features counting activities with the numbers from one to ten. The activities give preK to grade 1 students practice in counting, using both symbols and names of the numbers. In the activiti... More: lessons, discussions, ratings, reviews,...
Math Doodles: Connect Sums	Addition (Math 1)	Flash	Tool		[3]
Rack up points by clicking on a consecutive series of connected values that add up to the targeted sums. More: lessons, discussions, ratings, reviews,...
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