Math Puzzles Addition to 20

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4.8 (183 ratings)

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Grade Levels

K - 2nd

Subjects

Math, Basic Operations, Numbers

Resource Type

Activities, Centers

Standards

CCSS1.NBT.C.4

CCSS2.NBT.B.5

CCSS1.OA.B.3

CCSS1.OA.C.5

CCSS1.OA.C.6

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Pages

10 pages

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Standards

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Description

This set of math puzzles reinforce addition facts to 20. Easy to use, these math puzzles make a great addition to math centers or early finisher tubs. These math puzzles are perfect for reinforcing basic addition facts to twenty.

Includes:

• Numbers 6-20 with pre-written addition sums

• Blank puzzle to add your own numbers or sums

This pack includes a Teaching Guide that provides tips for implementing these puzzles in your classroom, including ideas for individual, or small group activities, centers, and games. Ready to print, cut, and use!

Want more puzzles? Check out these:

Addition to 100 Puzzles

Subtraction within 100 Puzzles

Representing Numbers to 100 Puzzles

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Total Pages

10 pages

Answer Key

Does not apply

Teaching Duration

Lifelong tool

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Standards

to see state-specific standards (only available in the US).

CCSS1.NBT.C.4

Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.

CCSS2.NBT.B.5

Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.

CCSS1.OA.B.3

Apply properties of operations as strategies to add and subtract. If 8 + 3 = 11 is known, then 3 + 8 = 11 is also known. (Commutative property of addition.) 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.)

CCSS1.OA.C.5

Relate counting to addition and subtraction (e.g., by counting on 2 to add 2).

CCSS1.OA.C.6

Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13 - 4 = 13 - 3 - 1 = 10 - 1 = 9); using the relationship between addition and subtraction (e.g., knowing that 8 + 4 = 12, one knows 12 - 8 = 4); and creating equivalent but easier or known sums (e.g., adding 6 + 7 by creating the known equivalent 6 + 6 + 1 = 12 + 1 = 13).

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