1st Grade Common Core: 1.NBT.4
Common Core Identifier: 1.NBT.4 / Grade: 1
Curriculum: Number And Operations In Base Ten: Use Place Value Understanding And Properties Of Operations To Add And Subtract.
Detail: Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, 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 and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.
69 Common Core State Standards (CCSS) aligned worksheets found:
Use place value blocks and this learning mat to explore 2-digit numbers.
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This worksheet helps students use place value blocks (base 10 locks) to learn addition.
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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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Color in every fifth number of this hundreds chart. Do you see a pattern?
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The penguins on the ice floes are counting by twos. Can you fill in the missing ones?
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Count by 3s on these number lines. The number line begins at 0 and ends at 33.
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After you practice skip counting by sevens, answer the math questions and word problems.
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Can you count by 3s? Complete the tables by writing the missing numbers. This printable features three horse illustrations.
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The penguin groups have multiples of four on their bellies. Skip count by 4s to complete the numbers.
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Skiing - Count by 4s FREE
Kids can count by 4s by writing numbers in the empty squares. The free printable page features skiing graphics.
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The numbers on the rows of balloons count by two. Complete the pattern.
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Students answer a series of questions about skip counting by 4s.
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Practice skip counting by sixes with this printable activity.
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The penguin bellies have numbers on them. Skip count by 3s to fill in the missing numbers on this free worksheet.
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First, skip count by 8s. Then answer the related math questions.
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Count by threes on the hundreds chart. Color every third number.
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Skip count by six, then answer each of the word problems and math questions.
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Helium balloons with numbers on them adorn this page. Fill in the missing numbers when you count by 3s up to 72.
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Up and and away! Multiples of four are listed on these balloons. Keep counting by 4s (up to 96) to continue the pattern.
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Count by twos. Color every second number on the hundreds chart.
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This page contains a series of word problem questions about skip counting by 5s.
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Children will fill out the caterpillar as they skip count by 10s.
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Help the mouse find the cheese by counting by 11s. Write in the missing numbers in the circles on this printable skip-counting worksheet.
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This PDF contains 8 horizontal problems and 2 math stories (word problems).
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Skip count by 7s to fill in the missing numbers on the caterpillar.
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Challenge your students to count by 5s with this printable skip counting worksheet.
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Fill in the numbers in the circles as you skip count by 8s.
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This file has 30 task cards. Each one has a 2-digit addition problem on it. These can be used for classroom games or learning centers.
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Skip count by 2s, starting at 2 and ending at 20. Write the missing letters in the circles to help the mouse reach the cheese.
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Compare addition problems with multiples of 10.
example: 34 + 30 < 43 + 20
example: 34 + 30 < 43 + 20
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Fill in the grid, counting by 2s. Answer the questions on the bottom of the page to practice skip counting by 2s.
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Skip count by 25s to fill in the missing sections on the caterpillar.
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Use mental math to find the differences. All problems are horizontal on this worksheet. Also includes two word problems at the end.
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This printable worksheet allows students to practice skip counting by 12s. The numbers start at 12 and go up to 144.
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On each of these 30 task cards, students will use graphical models or partial hundred tables to help them find the answers.
(examples: 46-20=26 and 73-30=43)
(examples: 46-20=26 and 73-30=43)
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Skip count by 12s and fill out the missing sections of the caterpillar.
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Help the mouse find the cheese. Count by 100s and write the missing numbers in the circles. Numbers range from 100 - 1000 on this free activity.
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Mixed Math: B2 FREE
What number is shown by the place value blocks? Subtract to find out how many boys are in Miss Minn's class. Write the time shown on the clock.
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Fill in each section of the caterpillar by skip counting by 3s.
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Use a partial hundreds charts to subtract multiples of 10 from double-digit numbers.
(examples: 56-30=26 and 98-20=78)
(examples: 56-30=26 and 98-20=78)
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Students will fill out all the sections of the caterpillar as they skip count by 9s.
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Help the rocket get to the star by counting by 7s. Write the missing numbers in the circles.
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Skip count by 10s starting at 10 and ending at 100 on this worksheet.
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Skip count by 6s to fill in the missing numbers on the caterpillar.
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This rocket needs to reach the star. To get there, count by 4s. The first circle starts at number 4 and ends with 40.
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Add pairs of 2-digit numbers and write the sums. There are 2 word problems at the end, as well as a leprechaun illustration.
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Use the partial hundreds chart to practice adding 2-digit numbers to multiples of 10.
(Example: 34+20=54)
(Example: 34+20=54)
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Count by 2s and connect the dots to create a picture of a jumping dolphin.
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Skip count by 5s in order to complete each section of the caterpillar.
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Following the circles, count by 3s and write the missing numbers in along the way.
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Use mental math to add 10 to each 2-digit number shown. Then compare the sums using the symbols <, >, and =.
example: 22 + 10 < 10 + 28
example: 22 + 10 < 10 + 28
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This file has 30 illustrated task cards. Students use the pictures of place value blocks and hundreds charts to add multiples of 10.
(example: 49+30)
(example: 49+30)
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This is a basic drill worksheet with 26 horizontal and vertical problems on it, including two "challenges" at the end.
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Complete the missing sections of the caterpillar as you skip count by 11s.
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This cute rocket will travel through space to get to the star by counting by 25s. (25 - 250)
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Add multiples of 10 to 2-digit numbers. There are 18 horizontal and 8 vertical problems.
(example: 54+30=84)
(example: 54+30=84)
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Fill out all the sections of the caterpillar as you skip count by 8s.
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6, 12, 18, ...What's next? Count by 6s on this printable worksheet.
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Print out this worksheet so your students can practice skip counting by 9s.
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Use this free number line worksheet to count by 2s. Complete the activity by filling in the boxes. This number line ranges from 0 to 32.
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