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

Common Core Identifier: 1.NBT.2a / Grade: 1
Curriculum: Number And Operations In Base Ten: Understand Place Value.
Detail: 10 can be thought of as a bundle of ten ones - called a "ten." b.
22 Common Core State Standards (CCSS) aligned worksheets found:
For each picture, tell how many more counters are needed to make ten.
Match the number box on the bottom of the page to the correct tens and ones blocks.
This mini-book is a fun way for students to practice with ten-frames and addition skills. Cut out the pages and assemble, then fill out the ten-frames and solve the math fact.
Your students will review place value, identify the number of tens and ones in a 2-digit number. Add zero to single-digit numbers. Identify a polygons, including hexagons. Count up from 2-digit numbers.
This printable uses ten-frames to help students find the right number sentence and use their addition skills to determine the sum of each math fact.
Cut out the number boxes and paste them next to the correct place value blocks.
This printable has 15 pennants that can be cut out and colored. Then solve the ten-frame addition fact. Lastly, these pennants can be strung up on a rope or string to hang in the classroom.
Review basic addition and subtraction facts. Practice breaking a 2-digit number up into tens and ones. Compare numbers, using the phrases less than and greater than. Answer a question using a pictograph.
The first part of this worksheet has students using the counters in the ten-frame to find the number sentence. The second part uses the number sentence to fill in the ten-frame.
Read each word problem to fill out the ten-frame, write out the math fact, and find them sum.
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.
Tell how many tens and ones are shown. Then write the number.
Use scissors to cut out the ten-frame boxes on the bottom of the worksheet and glue them to the matching number sentence above.
Write the 2-digit number represented by each set of place value blocks.
On this worksheet, students will use the number sentence to draw the counters in the ten-frame and find the sum.
Roll two dice and make a 2-digit number. Then write the number in expanded form. After that, draw a sketch of place value blocks that make the number.
Add the counters shown on the ten frames and write the sum.
Draw the correct number of counters in each set of double frames.
How many counters are in the frames? This worksheet features double 10-frames with numbers up to 20.
Write two addition and two subtraction facts shown by each double ten frame.
How many more counters are needed to make 20 in each group?
Use this double ten frame (20-frame) template for your manipulative math lessons.
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