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Activity
Teaching Treasures Publications

Teaching Treasures: Year Eight Timed Mental Math

For Students 3rd - 8th Standards
Improve your computation skills using this timed interactive worksheet.
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Unit Plan
Other

Curious math.com: Math Is an Attitude

For Students 9th - 10th Standards
This site offers numbers tricks to help multiply and divide large numbers mentally. There are also tricks for powers and roots of numbers.
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Unit Plan
Lawrence Hall of Science

The Math Page: Skill in Arithmetic: The Meaning of Subtraction, and Mental Calculation

For Students Pre-K - 1st Standards
This website explains and defines basic subtraction. There are practice problems at the very end of this lesson.
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Activity
AAA Math

Aaa Math: Estimating a Sum by Rounding

For Students 3rd - 5th
Use rounding to estimate the answer to an addition problem in this online game. As you play the game, running totals of correct and incorrect answers and your score are displayed.
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Activity
Teaching Treasures Publications

Teaching Treasures: Year One Timed Mental Math (Page 2)

For Students Pre-K - 1st Standards
Learners are challenged to solve ten addition or subtraction problems in less than five minutes using this interactive worksheet. Immediate feedback is given.
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Activity
Teaching Treasures Publications

Teaching Treasures: Year One Timed Mental Math (Page 3)

For Students Pre-K - 1st Standards
Try to solve ten addition or subtraction problems in less than five minutes using this interactive worksheet. Immediate feedback is given. A suitable tool for use as a quick assessment.
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Activity
Teaching Treasures Publications

Teaching Treasures: Year Eight Timed Mental Math

For Students 3rd - 8th Standards
This resource provides an interactive worksheet with just ten problems as an independent practice or a quick assessment.
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Activity
Texas Instruments

Texas Instruments: Mad Minutes

For Teachers 9th - 10th
This activity should help kids to perform quick computations using mental math, become less reliant on calculators for computation, and remember algorithms for common math problems by using repetition and practice.
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Interactive
AAA Math

Aaa Math: Adding Tens

For Students K - 1st Standards
This game helps you practice adding tens. You will get to see a percent score of the answers you have correct, as well as running totals of the answers you have correct and incorrect.
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Activity
National Institute of Educational Technologies and Teacher Training (Spain)

Ministerio De Educacion: El Monosabio

For Students 3rd - 8th Standards
This application has a simulation which computes the product of two numbers and the square of a number.

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