# 2nd Grade Common Core: 2.NBT.7

Common Core Identifier: 2.NBT.7 / Grade: 2

Curriculum: Number And Operations In Base Ten: Use Place Value Understanding And Properties Of Operations To Add And Subtract.

Detail: Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in adding or subtracting three- digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds.

92 Common Core State Standards (CCSS) aligned worksheets found:
Simple 2-digit subtraction problems that don't require borrowing.

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Add to find the sums, then use the answers to glue the picture puzzle together.

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This subtraction worksheet has pictures of cute dragons. 3-digits with borrowing.

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Read and solve these 3-digit addition word problems. There is plenty of space for students to show their work.

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Students must determine whether they need to add or subtract to solve each problem.

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This 3-digit subtraction worksheet has Earth Day graphics and a word problem about planting trees.

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This worksheet will help students use place value blocks (base 10 blocks) to practice subtraction with borrowing.

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Find the sums and difference. Then, color the cornucopia. Includes two word problems about Pilgrims.

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Dino Picture Puzzle FREE

Solve the addition problems. Then match the sums with the picture puzzle pieces. Put the puzzle together to reveal a dinosaur.

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A cute doggie-themed subtraction practice page with double digit numbers

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Four word problems that require students to use column addition to solve; Includes space for students to show their work

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This monster-themed practice worksheet has three-digit adding problems.Â These problems require students to regroup/carry.

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Find the sums of these three-digit addition problems. Graphics include a picture of the Earth. There's also an Earth Day word problem.

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Use base 10 blocks (place value blocks) to solve the subtraction problems on this worksheet.

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More story problems in which students practice column adding

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This St. Patrick's Day-themed addition worksheet has nine 3-digit addition problems for your students to solve.

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Find the sum for each 3-digit addition problem. Then cut out the numbered puzzle pieces. Place the numbered pieces on the corresponding sums. THe finished picture is a werewolf howling at the full moon.

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These penguins have multiples of six on their bellies. Skip count by 6s to complete the numbers.

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The Antarctic penguins are lined up to show the numbers on their bellies. Count by fives and tell which numbers are missing.

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This worksheet includes the associative, commutative, and the identity (zero) properties. Students must write the value of each variable.

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What did Cinderella fish wear to the underwater ball? To find out, solve the 3-digit subtraction problems. None of these problems require students to borrow/regroup.

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Add the money amounts to determine how much you'll spend on your family members at the Secret Santa Market.

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Count by 6s from 0 to 60. The finished picture is a star shooting through outer space.

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Students will add the problems and use their answers to unscramble the holiday picture.

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Practice addition skills while celebrating the 100th day of school with this fun puzzle worksheet.

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Skip count by eights and write the correct number on each penguin's belly.

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Count by threes on the hundreds chart.Â Color every third number.

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Fill in the missing numbers as you skip count by 11s. Then answer the related questions that follow.

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Use the cypher key at the top of the worksheet to decode the addends in these column addition problems.

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After you practice skip counting by sevens, answer the math questions and word problems.

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Practice counting by twelves. Then answer the related skip counting questions and word problems.

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Skip count by 2s. Fill in the boxes with even numbers to complete the chart. At the bottom, there is a question about even numbers.

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This Halloween-themed math worksheet has nine addition problems to be solved using 3-digit numbers.

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Skip count by 7s and connect the dots. 7, 14, 21. Draw a pig that's lots of fun.

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Each penguin has a multiple of 9 written on its tummy. Can you fill in the missing numbers?

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Use the sums from 16 addition problems to put together a Thanksgiving-themed puzzle picture.

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Decode the secret numbers using the cypher key at the top of the page. Then add them together.

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Celebrate the 100th day of school by completing this math puzzle picture.

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These daily word problems cover topics like reading and interpreting a graph, operations with money, and more. Once students have successfully wrapped up this set, they may be ready to move on to the next level!

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Skip count by sevens. Write the missing numbers on the helium balloon pictures.

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Write numbers on the balloons - and try not to pop them!Â Count by twenty-fives all the way up to six hundred.

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Count the t-shirts, baseballs, and gum sticks in groups of twenty-five.Â

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Count by elevens and fill missing numbers in the boxes. This worksheet has a music theme.

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Print out this summer math worksheet so your students can subtract 3-digit numbers.

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These balloon pictures have multiples of six on them Can you add the missing numbers?

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Skip count by twelves and fill in the empty boxes with the correct numbers. This worksheet has pictures of kayakers.

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Print out this 3-digit subtraction worksheet for your students to practice with around Valentine's Day.

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On these worksheets, students will practice and review naming fraction parts, counting place value blocks, bar model addition and subtraction, expanded form, and measuring centimeters.

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The helium balloon pictures have numbers written on them.Â Skip count by fives to continue numbering the balloons.

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Practice concepts such as reading a table, adding and subtracting, and operations with money.

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Count by twos. Color every second number on the hundreds chart.

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Twenty-five, fifty, seventy-five, one hundred!Â Review counting by 25s with this worksheet.Â This worksheet features illustrations of bikers.

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Skip count by 11s. Write the multiples of 11 on the tummies of the Arctic penguins.

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Students can refresh their addition skills with this printable summer-themed addition worksheet. There are nine 3-digit addition problems to solve.

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Skip count by six, then answer each of the word problems and math questions.

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Count by dozens, from twelve all the way up to 288. Write each multiple of twelve on the penguins.

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This printable 3-digit addition worksheet is Valentine's-themed, with pictures of teddy bears and hearts.

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In week 4 of Math Buzz, students will practice measurement, naming 3D solid shapes, place value, dividing shapes into equal parts, and making a bar graph.

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Solve the 3-digit subtraction problems. Then cut out the numbered picture squares. Match each picture square with the answer on the math page. Clue the squares in the correct positions to reveal a picture of a turkey.

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This page contains a series of word problem questions about skip counting by 5s.

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Students answer a series of questions about skip counting by 4s.

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Solve each 4-digit addition problem. Then cut out the cards and sort them into two different categories: Odd Sums and Even Sums.

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Skip count by 9s on this space alien-themed worksheet page.

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Use the sums from 16 addition problems to put together a Valentine's Day picture.

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These completed subtraction problems have mistakes in them. Figure out what's wrong with each one and explain.

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Solve the math problems and use the sums to unscramble the puzzle and view the mystery picture.

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Count by 2s up to 100.Â Fill in the empty boxes to complete the table.

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The waddle of penguins are all lined up on the ice flow to count by twenty-fives.Â Some are missing!Â Students write the correct numbers on the penguins.

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Write the multiples of eleven on the balloon pictures. Numbers go from 11 all the way up to 264.

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Skills for this week include reading analog clocks, word problems, writing numbers in expanded form, reading a pictograph, measurement, dividing shapes into equal parts, and counting money.

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The line of penguins shown have multiples of seven on their tummies. Write the missing numbers.

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Count by twelves on the balloons. Skip count from 12 up to 288.

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Subtract to find the differences with these 3-digit number problems on this spooky, Halloween-themed worksheet.

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This fun St. Patrick's Day worksheet features nine 3-digit subtraction problems for your student's to solve.

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Solve the 3-digit subtraction problems. Then cut out the numbered puzzle pieces. Place the numbered pieces on the corresponding differences/answers. The finished picture is Dr. Frankenstein's monster.

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Color in every fifth number of this hundreds chart.Â Do you see a pattern?

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On this worksheet, students count by fives and write the numbers that are missing.Â Five pictures of goofy golfers decorate this page.

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First solve the 4-digit plus 4-digit problems. Then glue the picture puzzle pieces over the answers to make a picture of a rocket ship blasting through outer space.

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Students will solve 16 addition problems and use the answers to piece together a Valentine's Day picture.

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This worksheet has pictures of subtraction problems that have already been solved. But there are errors. Students must find and explain the mistakes.

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Complete the addition problems and use your answers to unscramble the puzzle.

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Practice key math concepts like addition and subtraction, reading a table, elapsed time, and more with this next series of Daily Word Problems.

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Memory match card game. Flip cards to match each addition fact with the correct domino.

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