Calculator remainderCalculator Remainder is a lesson plan developed to help students' conceptual understanding of a remainder. The lesson is split into three activities which allow students to see the remainder as a decimal part of a quotient or as a fraction of a whole group. It also explores equivalence between these two representations of the remainder.
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Fraction modelsIlluminations Fraction Models applet offers a variety of representations for users to explore fractions, including improper and mixed numbers. The equivalent decimal and percent values are represented as well. The user can select from a variety of models (area, length, and set) to view the fraction.
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Fraction four |
Ratio blaster |
Fraction Four is an applet similar to the game "Connecting Four." To win the game one player must get four chips in a row vertically, horizontally, or diagonally. To earn a chip the user must simplify, convert, and multiply with decimals, percentages and fractions.
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Students shoot enemy spaceships by choosing spacecrafts which contain an equivalent ratio to the one on their spaceship. Speed, accuracy, and deep understanding of simple ratios is practiced during this game. Student responses are recorded and can be reviewed at the end of the level.
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This video demonstrates how to subtract with positive and negative integers. Both manipulatives and numerical representations are used to show this concept. Also, the additive inverse is addressed to show why the algorithm works for subtracting with negative numbers.
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Arithmetic Four is played like Connect Four. In order to place a chip on the board, an arithmetic question must be solved correctly. The user is practicing operations with whole numbers and integers. If both students get the answer incorrect feedback with the correct response is included.
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pinata feverPinata Fever is an online game which offers fluency practice for adding and subtracting integers. The user must find the value which makes the equation true. Higher levels to the game offers a challenge for some students.
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Deep sea duelDeep Sea Duel is a fun and interactive game to give it's users more practice with adding integers and decimals. Students must be able to strategize and develop some reasoning skills
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