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Common Core Standards
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According to the CCSSM, Kindergarten students should "fluently add and subtract within 5 (K.OA.5)" and "for any number from 1 to 9, find the number that makes 10 when added to the given number (K.OA.4)".

Building strong number sense is one of the most important things elementary school teachers can do to increase math fluency.

Number bonds help students see that numbers can be "broken" into pieces to make computation easier (decomposing/composing). With number bonds, students recognize the relationships between numbers through a written model that shows how the numbers are related. A number bond helps student clearly visualize the Part/Whole relationship.

Students will also see the whole on top or to the side with the parts branching down. The circles or squares are just a visual representation that students should begin with. In first grade, some students may move away from the shape visual and opt for the carrot (upside down V).

You can draw number bonds on paper using circles or bar diagrams. Even a young student who does not understand math notation can clearly see the connection between these numbers: the whole (6) has been pulled apart into two piles (4 and 2), and the piles can be pushed back together to make the whole.

Math textbooks often try to communicate the same concept using four-fact families. A four-fact family looks like this:

4 + 2 = 6
2 + 4 = 6
6 – 4 = 2
6 – 2 = 4

The idea of the four-fact family is to help students realize that once they know one of the facts in the family, they know all of them. Many students never see the connection, however, and think of these equations as separate little bits of abstract information, all of which have to be memorized. This can overload their minds and make them give up on math. On the other hand, number bonds connect to the student’s understanding at a deeper level, showing all four of the fact family relationships in a single picture.

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These are Number Bond Task Cards for 1-10.

Can be laminated and cut in quarters (along the dotted line) to be used over and over again with a dry erase marker or crayon.

This would be great with small manipulatives (i.e. mini erasers, glass stones, small chips/disks, skittles, candy core, etc) so that it isn't quite so abstract.

Included:
√ Blank Number Bond with WHOLE NUMBER for 1-10 for Addition and Subtraction
√ Number Bond with WHOLE NUMBER and one bond filled in for 1-10 for Addition and Subtraction (find the missing number)
√ Blank Number Bond Cards for Addition and Subtraction (to make their own)
√ Answer Keys for each Number 1-10 for Addition and Subtraction so kids can check their own work.

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Number Bonds

Differentiated Addition & Subtraction Number Bonds Using 1-20

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Check out my other Math Fluency & Number Sense Cards:

Peeps

Peeps Math Fluency & Number Sense Cards | English | 1-10
Peeps Math Fluency & Number Sense Cards | Spanish | 1-10
Peeps Math Fluency & Number Sense Cards | English | 11-20

Bunny

Bunny Math Fluency & Number Sense Cards | English | 1-10
Bunny Math Fluency & Number Sense Cards | Spanish | 1-10
Bunny Math Fluency & Number Sense Cards | English | 11-20

Apple

Apple Math Fluency & Number Sense Cards | English | 1-10
Apple Math Fluency & Number Sense Cards | Spanish | 1-10
Apple Math Fluency & Number Sense Cards | English | 11-20

Pumpkin

Pumpkin Math Fluency & Number Sense Cards | English | 1-10
Pumpkin Math Fluency & Number Sense Cards | Spanish | 1-10
Pumpkin Math Fluency & Number Sense Cards | English | 11-20

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Looking for Fraction Work? Check these out:

Fraction Families Charts | Math Fluency & Number Sense
Fraction Families Charts | Color-Coded | Math Fluency & Number Sense

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Looking for Number Bond or Number Pairs work? Check these out:

Differentiated Addition & Subtraction Number Bonds | 1-10
Differentiated Addition & Subtraction Number Bonds | 1-20
Differentiated Addition | Making Pairs | 1-9

Total Pages
59 pages
Included
Teaching Duration
Lifelong tool
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