Build number sense skills with this set of 24 task cards.
Use this set of task cards to easily implement number talks into your classroom.
Number talks are meant to be short, daily, math activities that allow students to have meaningful and highly engaging conversations about math. Simply show students the front of the card, and ask the prompts on the back. These exchanges will lead to the development of more accurate, efficient, and flexible strategies for students.
This card set is a great teaching resource for helping students with:
- composing and decomposing numbers
- modeling addition and subtraction problems up to 20
- using a variety of mental strategies to fluently add and subtract up to 20.
Print out the task cards front and back so that the prompts are displayed on the back of each card. The cards can also be put on a ring for added convenience.
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Common Core State Standards alignment
- Grade 1 > Standards for Mathematical Practice > Operations & Algebraic Thinking > Understand and apply properties of operations and the relationship between addition and subtraction > CCSS.MATH.CONTENT.1.OA.B.3
Apply properties of operations as strategies to add and subtract.2 Examples: 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 ...
- Grade 1 > Standards for Mathematical Practice > Operations & Algebraic Thinking > Understand and apply properties of operations and the relationship between addition and subtraction > CCSS.MATH.CONTENT.1.OA.B.4
Understand subtraction as an unknown-addend problem. For example, subtract 10 - 8 by finding the number that makes 10 when added to 8....
- Grade 1 > Standards for Mathematical Practice > Operations & Algebraic Thinking > Add and subtract within 20 > CCSS.MATH.CONTENT.1.OA.C.5
Relate counting to addition and subtraction (e.g., by counting on 2 to add 2)....
- Grade 1 > Standards for Mathematical Practice > Operations & Algebraic Thinking > Add and subtract within 20 > CCSS.MATH.CONTENT.1.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 - ...
- Grade 2 > Standards for Mathematical Practice > Operations & Algebraic Thinking > Add and subtract within 20 > 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....
- Grade 2 > Standards for Mathematical Practice > Operations & Algebraic Thinking > Work with equal groups of objects to gain foundations for multiplication > CCSS.MATH.CONTENT.2.OA.C.3
Determine whether a group of objects (up to 20) has an odd or even number of members, e.g., by pairing objects or counting them by 2s; write an equation to express an even number as a sum of two equal addends....
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