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Taking from Ten within 20

Taking from Ten within 20

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Add and subtract within 20 using mental strategies articulately. By end of Grade 2, be able to know all sums of two one-digit numbers from memory.

 

Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction. Decompose numbers within 20 and use the Taking From 10 strategy to solve subtraction problems.

 

Taking from Ten within 20 Practice

Circle all numbers that have a 10 in them

 

Break these numbers into tens and ones

 

We can use the Take from 10 to solve subtraction problems

 

Let’s see:

 

Try it out!

 

Activity #1

Directions: How many more hearts to make 10?

 

How many hearts do you need to take away to make 6?

 Directions: Break these numbers into tens and ones

13 - _____

17 - _____

12 - _____

 

Taking from Ten within 20 Game

a. Materials Needed: Game board, subtraction problem cards, markers or crayons

 

b. Students will play this game in partners. One student pulls a subtraction problem card. They solve the problem, and then fill in a square on the board with the corresponding answer.

 

c. The first student to get 3 in a row, wins the game!

 

Here are the Freebie Activities to go along with this Lesson on Taking from Ten within 20

 

This Lesson if from our 2nd Grade Math Curriculum

Unit 1 – Addition and Subtraction within 100

 

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