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- Grade Range
- 3rd - 8th
- Rating
Students use mental math to compute answers to arithmetic problems. They add columns of numbers to arrive at a total score. This lesson increase proficiency in basic addition, subtraction, multiplication, and division facts. Full Review »
- Grade Range
- 4th - 5th
- Rating
Students discover how to work mentally with numbers, as to nurture number sense, and create a foundation and enthusiasm for mathematics. Full Review »
- Grade Range
- 5th - 8th
- Rating
Students investigate tips for calculating math problems mentally. Full Review »
- Grade Range
- 3rd
- Rating
Students analyze the process of straction through regrouping exercises. Mental math strategies are fostered in this lesson. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students study the concept of modular arithmetic as it is applied to UPC and ISBN bar coding numbers. They examine further applications involving credit card numbers. Full Review »
- Grade Range
- 2nd
- Rating
Students are given an amount of money and a list of prices, they use mental arithmetic to add and estimation to determine whether answers are reasonable in addition sentences. They listen as the teacher reads The Lunch Line by Karen Berman Nagel aloud. Students are given an envelope with play money in them, they count the money that was given. Full Review »
- Grade Range
- 4th - 6th
- Rating
Students practice addition and subtraction. in small groups, they play a game to use mental arithmetic to add or subtract simple decimals. Full Review »
- Grade Range
- 5th
- Rating
Students are introduced to how to perform mental arithmetic. Using the internet, they solve problems in which they do not write out the problem to solve it. They navigate through the pages of the website and practice using a mouse and keyboard. They try to improve their score as well as the amount of time it takes them to complete each problem. Full Review »
- Grade Range
- 3rd
- Rating
Students observe and demonstrate a variety of problems involving subtraction problems using mental math strategies. They discuss the base ten system and the basic concept of subtraction, and complete a variety of activities involving manipulatives. Full Review »
- Grade Range
- 4th - 5th
- Rating
Students practice multiplication and division problems using mental math. They play the online game ArithmAttack to complete as many multiplcations or divisions as possible in 60 seconds. Afterwards, they complete a paper based follow up exercise. Full Review »
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