1. Number Energizers

2. 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

3. 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

4. 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

5. 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

6. 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

7. 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

8. 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

9. 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.

10. 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

11. 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

12. 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

13. 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

14. 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

15. 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

16. 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

17. 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

18. 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

19. 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

20. 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

21. 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

22. Computation Games Navigating Through Number & Operations (K-2)
Four in a Row
Hit the Target
Close to 100
Race to Zero

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