Computation and Estimation
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Basic Facts
Addition
Subtraction
ArithmAttack
Math Blox
MATHO
Math Fries
Speed Grid
Challenge
Speedy Sums
Challenge
Speed Grid
Sum Stacker
Subtraction Machine
Math Blox
Subtracting Practice
Challenge
Speed Grid
Mixed Facts Practice!
That's a Fact!
Mayan Math Monster
Number Cruncher
Digit WorkOut
Build a Bug
Math Drills
Robot Calculator
Balloon Invaders
Word Problems
Grand Slam Math +/-
NumberNut
Story Problems
Hoops
Katie and Arlo
Rounding/Estimation
Rounding Flashcards
Rounding Off
Rounding Decimals
Estimate!
Challenge
Hangman Rounding
H-M Math
Extra Practice/Estimate
Estimation Matching
Challenge
Estimating a SumMoney
Count the Money
Money Flashcards
Money Program
Making Change
MathSlice Money Quiz
Count the Money
AAA Math
Change Due
Show Me
Adding Money
Challenge
Smile Money!