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Rounding 101 - Number Lines, Games and More

Rounding can be a challenging skill. Help your students better understand rounding, to the nearest 10 and 100, using interactive number lines, hands-on rounding activities, games and independent practice.

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Rounding Numbers anchor chart... The Third Grade Way @Erin B B B Bradd , good chart to make to bridge between 10s & 100s

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Place Value Activity Tens and Ones Cookies

This (Christmas) cookie themed partner activity, suitable for first and second grades, reinforces understanding of base ten, trading ten ones for one ten, and comparing two digit numbers. It also includes additional recording sheets with expanded form, rounding to the nearest ten, and counting by tens off a decade number. $

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3rd Grade Christmas Activities: 3rd Grade Christmas Math (Color-by-Number)

Christmas math activity (Color by Number) for 3rd grade makes practicing multiplication, division, rounding, fractions, telling time, and graphs fun! Included are 6 different Christmas color by number math activities. Each activity addresses a different 3rd grade math skill.

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Face-Off! An Integer Card Game

Integer Card Game - Two students play together. They both draw two cards and add them, then play again with subtraction. Whoever has the higher number collects all four cards. -- Would be great especially for students who are having trouble understanding negative numbers/greater than and less than/adding and subtracting quickly.

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What is the Golden Ratio?

The Golden ratio is a number found by dividing a line into two parts so that the longer part divided by the smaller part is also equal to the whole length divided by the longer part. It is symbolized using phi, after the Greek alphabet. In an equation form, it looks like this: a/b = (a+b)/a = 1.618033988749894842 As with pi, the digits go on and on, theoretically into infinity. Phi is usually rounded off to 1.618.

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4th Grade Christmas Activities: 4th Grade Christmas Math (Color-by-Number)

Christmas math activity (Color by Number) for 4th grade makes practicing multiplication, division, rounding, fractions, perimeter, area, factors, multiples, and prime numbers fun! Included are 6 different Christmas color by number math activities. Each activity addresses a different 4th grade math skill.

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I always start off my eighth grade classes with a review of integers. My favorite way to open up our integer review involves a document camera, projector, and some basic round manipulatives with a different color on each side. My set is represented with

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Rounding Task Cards-I love this write on and wipe off math number lines. They are perfect for teaching the concept of rounding!

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