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- Grade Range
- 4th
- Rating
Students use the mental math skill of adding and subtracting by making multiples of ten and adjusting (compensation). These suggested strategies should be discussed in two separate lessons. Full Review »
- Grade Range
- 3rd
- Rating
Students, using craft sticks, practice subtraction of 2 and 3 digit numbers with renaming. Full Review »
- Grade Range
- 3rd
- Rating
Students listen to a lecture and view a PowerPoint presentation on using regrouping in three-digit subtraction problems. They use a spinner to form three-digit subtraction problems and complete them. Full Review »
- Grade Range
- 3rd - 5th
- Rating
Students subtract two digit numbers. They check each other's answers for accuracy. Full Review »
- Grade Range
- 4th
- Rating
Students add and subtract two and three digit numbers. They write numbers in extended form, observe examples solved by the teacher, solve problems independently and as a class, and complete a worksheet. Full Review »
- Grade Range
- 2nd
- Rating
Students practice addition and subtraction in this fun, technology-based Mathematics lesson for the second grade classroom. The lesson includes resource links, video clips, interactive websites, and a section for pre-lesson preparation ideas. Full Review »
- Grade Range
- Kindergarten - 4th
- Rating
Students participate in group games to help review the concept of subtraction. During the games, they practice subtracting two-digit numbers and the concept of borrowing. They review their answers with the class and move on to subtracting three and four digit numbers to end the lesson. Full Review »
- Grade Range
- 5th
- Rating
Students investigate fractions while adding and subtracting mixed numbers. They discuss how to add and subtract mixed numbers and they practice working with mixed numbers. They complete a worksheet while working with mixed numbers. Full Review »
- Grade Range
- 7th
- Rating
Students focus on estimation and computation when adding and subtracting fractions in this lesson. They review fraction vocabulary in the direct instruction section. In the guided practice section, they complete addition and subtraction problems with fractions while working in a whole class setting. Finally, they complete independent student practice with proper and improper fractions. Full Review »
- Grade Range
- 8th
- Rating
Students examine how to add and subtract numbers in different forms. They observe and participate in a guided lesson that focuses on adding and subtracting fractions, equivalent fractions and reducing to lowest terms, comparing and ordering fractions, and adding fractions with the lowest common denominators. Students then independently complete a worksheet. Full Review »
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