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Number Energizers

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**Mental Math Results from the Mental Math Survey: Student Weaknesses:**

Number Sense Subtraction Fluency with basic facts Multiplication & Division Application of strategies & basic facts Basic computation Problem Solving

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**Mental Math Results from the Mental Math Survey: Resources:**

Mental Math in the Primary Grades Mental Math in the Middle Grades Drops in the Bucket Week-by-Week Essentials Marcy Cook resources

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**Mental Math Activities: White boards Calculator Wrap-Ups Flashcards**

Essentials games Games – Shoot-Out, Around the World, Zang, War, Bingo, I Have, Relays, Battleship, Baseball, Dice Songs, Raps, Dances, Videos, Riddles, & Poems Hundreds Board & Number Tiles Activities Computer Games

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**Mental Math Mental math and number sense**

activities should be a daily part of math instruction. Focus on mental math strategies 10—20 minutes a day (3-5 times a week) Practice number sense activities

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**Mystery Number What number am I? I am more than 5. I am odd.**

I am not the number of days in a week. I am even. If you double me, I am still less than 10. I am twice an even number. Number SENSE, Dale Seymour Publications

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**Mystery Number What number am I? My digits total 5.**

I am less than 100. I am a multiple of 4. I am odd. My digits add to 7. I am a multiple of 5. Number SENSE, Dale Seymour Publications

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**Target Number Adding two different numbers.**

Subtracting two different numbers. Adding three different numbers. Adding and subtracting. Starting with a number greater than 10. Adding numbers that are the same. Starting with the target number. Number SENSE, Dale Seymour Publications

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**Logic Number Puzzles It is a 3-digit number. The number is odd.**

The number is less than 800. The tens digit is an even number. The number is greater than 700. The ones digit is greater than the hundreds digit. The number is less than 720.

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**9 4 Number Tiles Start with the value of a dime Add 3 Take away 4**

Minus the value of a nickel Subtract the number of sides on a triangle Add 7 Minus 5 You should be on the number of sides on what polygon? Mental Math with Tiles & The Hundred Chart by Marcy Cook 9 4

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Number Tiles Start with 1 more than the number of sides on a triangle Add 3 Subtract the value of a penny Plus 8 Minus the number in a pair Add 9 Take away 1 You should be on a number you hear when counting by ten Mental Math with Tiles & The Hundred Chart by Marcy Cook 3 7

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**4 Tiles in a Line Number right before 74 Sum of 8 and 7**

Number of sides on a rhombus Product of 7 and 4 Largest 2-digit multiple of 10 Number in half a dozen Communicating with Tiles by Marcy Cook 4

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**1 5 Tiles in a Line Number of sides on any quadrilateral**

Largest 2-digit even number Sum of 8 and half of 8 Value of three quarters Multiple of 10 larger than 40 Smallest number of sides on a polygon Communicating with Tiles by Marcy Cook 1 5

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**Find X X is an odd number X is less than 6 X is between 0 and 5**

X is not the number of sides on a triangle Find the X Tile by Marcy Cook

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**Find X X is more than the number of sides on a square**

X is an odd number X is not the number of days in a week X is between 1 and 9 Find the X Tile by Marcy Cook

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**Hundred Board Start with the number of sides on a triangle**

Plus Add 11 Minus the value of a dime Plus 3 Subtract Take away 4 Plus Plus 5 Minus Add 2 Add Take away 4 You should be on a palindromic number Mental Math with Tiles & The Hundred Chart by Marcy Cook

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**Hundred Board Start with the number of letters in the alphabet**

Plus Add a dozen Minus Subtract 2 Plus Take away 3 Plus Minus 9 Subtract Minus 11 Plus Add 3 Take away Plus 2 Plus a dozen Add the value of a penny You should be on a palindromic number Mental Math with Tiles & The Hundred Chart by Marcy Cook

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**Hundred Board Art Cover It Daily on The 100 Chart by Marcy Cook**

Color It on the Hundred Chart by Marcy Cook Hundreds Board Activities by Marilyn Preddy

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**1 2 3 4 + - x ÷ Watch Those Signs! Make 0 Make 2 Make 10**

+ - x ÷ Make 0 Make 2 Make 10 Number SENSE, Dale Seymour Publications

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**5 5 5 5 + - x ÷ Watch Those Signs! What numbers can you make? Make 100**

+ - x ÷ What numbers can you make? Make 100 Number SENSE, Dale Seymour Publications

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**Additional Activities**

Get It Together by Tim Erickson Group Solutions by GEMS Digit Detective & Skillboard Math by Kim Sutton by Marcy Cook Nimble with Numbers by Dale Seymour Publications Navigations by NCTM

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**Computation Games Navigating Through Number & Operations (K-2)**

Four in a Row Hit the Target Close to 100 Race to Zero

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**What games or activities do you use to help improve the number sense of your students?**

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