# 1st Grade Common Core: 1.NBT.2b

Common Core Identifier: 1.NBT.2b / Grade: 1
Curriculum: Number And Operations In Base Ten: Understand Place Value.
Detail: The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones.
16 Common Core State Standards (CCSS) aligned worksheets found:
How many counters are in the frames? This worksheet features double 10-frames with numbers up to 20.
Level:
Draw the correct number of counters in each set of double frames.
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Write two addition and two subtraction facts shown by each double ten frame.
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How many more counters are needed to make 20 in each group?
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This worksheet has ten-frames with red and white counters all adding up to ten. Students will find the missing number to complete the math fact.
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Using this printable activity, students can find their matching puzzle piece by solving basic addition problems.
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Help the mouse find the cheese. Along the way, answer the addition facts with sums to 20.
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Memory match card game. Flip cards to match each addition fact with the correct domino.
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Players match the addition fact card to the sums.
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Add the counters shown on the ten frames and write the sum.
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For each picture, tell how many more counters are needed to make ten.
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Here's a complete set of triangular fact family flashcards to teach subtraction and addition facts.
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Use this double ten frame (20-frame) template for your manipulative math lessons.
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Complete set of printable addition flash cards up to 9 + 9. This set has four large cards per page.
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Try to find and circle all of the addition facts hidden in this number hunt puzzle.  It's kind of like a word search, except students search for addition facts.
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This fun chain reaction game that teaches basic addition facts.
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