# Addition Within 20: The "Using Tens" Strategy Scaffolded Worksheets and Games

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Common Core Standards
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1. This bundle includes over 175 pages that help children to learn and develop fluency in addition through 20. Please click on individual products to view previews:1. The Commutative Property of Addition Through 20: Use 5 levels practice pages/assessments, 2 no-prep games, a chant, and manipulatives to
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This product is HALF OFF FOR THE FIRST 48 HOURS! Introducing the "Using Tens" strategies for equations through 20! In my 22 years of teaching, I’ve learned to promote success through scaffolding instruction, differentiating to meet students’ needs, and giving children multiple opportunities to learn a skill. With all this in mind, I have included flash cards, 5 types of strategy cards (including basic and advanced levels), number lines, manipulatives, 5 simple games, one no-prep center, and two chants, all thoughtfully scaffolded into the following sections:

• Memorizing Tens
• "Mystery Numbers:" Finding the missing number in all positions of an equation that equals 10
• The "Tens +1" Strategy
• Advanced "Tens" Strategies: "Tens +2," "Tens +3," "Tens +4," and "Tens -1"
• Using "Tens" to Add 3 Numbers
• This set can be used in isolation. It also logically follows my "Commutative Property of Addition," "Counting On," and "Doubles" sets. Please click on the titles to see these.

You may also be interested in my giant BUNDLE of 38 first grade songs and videos, available HERE. This set teaches ALL Common Core 1st grade standards. Songs that directly relate to this packet are: "Know Those Tens," "Using Tens," "Add 3 Objects," "Adding 3 Numbers," "Equals Means 'The Same As',"and "Mystery Numbers." (The lyrics to the first two songs are included in this packet.)

Finally, these are the related Common Core and TEKS standards:

Common Core

CCSS.Math.Content.1.OA.B.3

Apply properties of operations as strategies to add and subtract. Examples: ... To add 2 + 6 + 4, the second two numbers can be added to make a ten, so 2 + 6 + 4 = 2 + 10 = 12. (Associative property of addition.)

CCSS.Math.Content.1.OA.C.6

Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as ... making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); ...

CCSS.Math.Content.1.OA.D.8

Determine the unknown whole number in an addition or subtraction equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 + ? = 11, 5 = __ - 3, 6 + 6 = __.

CCSS.Math.Content.2.OA.B.2

Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.

TEKS

(3D) Apply basic fact strategies to add and subtract within 20 ...

(3E) Explain strategies used to solve addition and subtraction problems up to 20 using spoken words, objects, pictorial models, and number

sentences.

TEKS Number and Operations, Grade 2

(4A) Recall basic facts to add and subtract within 20 with automaticity.

Thanks so much for considering my materials.

Sincerely,

Jenny Kramer

"Miss Jenny"

Total Pages
76 pages
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Teaching Duration
Lifelong tool
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