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Aaa Math: Adding Two Digit Numbers Mentally

Curated by ACT

Read these two strategies for adding two-digit numbers in your head. Then try out the one you like better by playing the game. Running totals of your correct and incorrect answers as well as a percent score of your correct answers will be shown as you play.

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CCSS: Adaptable
Concepts
addition, addition equations, addition facts, addition with regrouping, number sentence
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Additional Tags
adding 2-digit numbers, adding numbers, addition activities, addition practice, addition problems, basic addition, math facts, math games, math operations, math problems, math skills, mathematical operations, sums, whole number addition, aaa math, aaa math: adding two digit numbers mentally
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Classroom Considerations
  • Knovation Readability Score: 2 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Instructional
  • This resource is only available on an unencrypted HTTP website.It should be fine for general use, but don’t use it to share any personally identifiable information
Common Core
K.OA.A.2 1.NBT.C.4