# 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.
Draw the correct number of counters in each set of double frames.
Write two addition and two subtraction facts shown by each double ten frame.
Using this printable activity, students can find their matching puzzle piece by solving basic addition problems.
Help the mouse find the cheese. Along the way, answer the addition facts with sums to 20.
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.
How many more counters are needed to make 20 in each group?
Memory match card game. Flip cards to match each addition fact with the correct domino.
Level:
Add the counters shown on the ten frames and write the sum.
Players match the addition fact card to the sums.
For each picture, tell how many more counters are needed to make ten.
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.
Complete set of printable addition flash cards up to 9 + 9. This set has four large cards per page.
This fun chain reaction game that teaches basic addition facts.
Here's a complete set of triangular fact family flashcards to teach subtraction and addition facts.
Use this double ten frame (20-frame) template for your manipulative math lessons.
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