

 Lesson plan   
Add multiple 5, 10 or 20 frame manipulatives on your interactive whiteboard. 

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 Activity   
A 10, 20, 120 and 1000 numbers chart in one. 

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 Activity   
A 100 bead string with alternating groups of 5 or 10 red and 10 white beads. 

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 Lesson plan   
A collection of fun counting activities to celebrate the 100th Day on your interactive whiteboard. 

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 Activity   
Keep track of the number of schooldays until the 100th day of school on your smart board. 

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 Activity   
Learning how to add and subtract. 

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 Lesson plan   
Introduce absolute value and apply to find the absolute value of an integer. 

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 Lesson plan   
The objective of this lesson is to review absolute value, to simplify and evaluate absolute value expressions. 

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 Lesson plan   
Solve absolute value equations. Set up absolute value equations and solve using the property that both positive and negative answers become positive. 

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 Lesson plan   
Add and subtract decimals to solve problems. Solve problems involving money. 

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 Lesson plan   
Develop fluency with addition and subtraction of nonnegative rational numbers with unlike denominators. 

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 Lesson plan   
Develop fluency in adding and subtracting nonnegative rational numbers (halves, fourths, eighths; thirds, sixths, twelfths; fifths, tenths, hundredths, thousandths; mixed numbers). 

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 Lesson plan   
Develop fluency with addition and subtraction of nonnegative rational numbers with like denominators. 

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