# Unit: Integer Addition, Subtraction

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### Unit Description

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### Lessons

 Mayan Math Resources: 3 SWBAT recognize numbers in Mayan numerals and understand significance of Mayan mathematical sophistication. 1,718 Number Line Intro Resources: 1 SWBAT draw a number line and number it in whole ones, twos and fives, both positive and negative 1,303 Absolute Value Resources: 1 SWBAT provide the absolute value of a number. 1,403 Driving Directions Resources: 2 Students learn rules for adding and subtracting integers that are very simple and similar to driving directions. 551 Integer Increment Resources: 2 Get students to apply integer knowledge of integers regularly when problems arise. 1,963 You owe me! Resources: 2 SWBAT graphically represent and find solutions to integer addition & subtraction problems. 494 Bags o' Money! Resources: 1 1,371 Build a Pyramid Resources: 2 Students demonstrate a graphical understanding of positive and negative numbers. 1,589

### Unit Resources

 five ten blocks   Activity 254 Word Problems1   Classwork 139 Word Problems2   Classwork 103
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