# 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:
This worksheet will help students use place value blocks (base 10 blocks) to practice subtraction with borrowing.
This worksheet helps students use place value blocks (base 10 locks) to learn addition.
Use place value blocks and this learning mat to explore 2-digit numbers.
Color in every fifth number of this hundreds chart.  Do you see a pattern?
The penguin groups have multiples of four on their bellies.  Skip count by 4s to complete the numbers.
The numbers on the rows of balloons count by two.  Complete the pattern.
Skip count by six, then answer each of the word problems and math questions.
Helium balloons with numbers on them adorn this page.  Fill in the missing numbers when you count by 3s up to 72.
The penguins on the ice floes are counting by twos.  Can you fill in the missing ones?
Color every 4th number on the hundreds chart.
Practice skip counting by sixes with this printable activity.
The penguin bellies have numbers on them.  Skip count by 3s to fill in the missing numbers.
First, skip count by 8s. Then answer the related math questions.
Count by threes on the hundreds chart.  Color every third number.
Up and and away!  Multiples of four are listed on these balloons.  Keep counting by 4s (up to 96) to continue the pattern.
Count by 3s on these number lines.  The number line begins at 0 and ends at 33.
Count by twos. Color every second number on the hundreds chart.
After you practice skip counting by sevens, answer the math questions and word problems.
Can you count by 3s?  Complete the tables by writing the missing numbers.  This printable features three horse illustrations.
Kids can count by 4s by writing numbers in the empty squares.  The page features skiing graphics.
This is a basic drill worksheet with 26 horizontal and vertical problems on it, including two "challenges" at the end.
Fill in each section of the caterpillar by skip counting by 3s.
Print out this worksheet so your students can practice skip counting by 9s.
Complete the missing sections of the caterpillar as you skip count by 11s.
This PDF contains 8 horizontal problems and 2 math stories (word problems).
Count by 2s and connect the dots to create a picture of a jumping dolphin.
Challenge your students to count by 5s with this printable skip counting worksheet.
Add pairs of 2-digit numbers and write the sums. There are 2 word problems at the end, as well as a leprechaun illustration.
Skip count by 7s to fill in the missing numbers on the caterpillar.
Help the mouse find the cheese. Count by 100s and write the missing numbers in the circles. (100 - 1000)
This printable worksheet allows students to practice skip counting by 12s. The numbers start at 12 and go up to 144.
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.
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)
Fill in the caterpillar as you skip count by 4s.
Skip count by 10s starting at 10 and ending at 100 on this worksheet.
Skip count by 12s and fill out the missing sections of the caterpillar.
Add multiples of 10 to 2-digit numbers. There are 18 horizontal and 8 vertical problems.
(example: 54+30=84)
6, 12, 18, ...What's next? Count by 6s on this printable worksheet.
Fill out all the sections of the caterpillar as you skip count by 8s.
Figure out which pairs of numbers add up to 25.
Fill in the grid, counting by 2s. Answer the questions on the bottom of the page to practice skip counting by 2s.
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)
Following the circles, count by 3s and write the missing numbers in along the way.
Compare addition problems with multiples of 10.
example: 34 + 30 < 43 + 20
Skip count by 5s in order to complete each section of the caterpillar.
Help the mouse find the cheese by counting by 11s. Write in the missing numbers in the circles on this printable skip-counting worksheet.
Skip count by 25s to fill in the missing sections on the caterpillar.
Use a partial hundreds charts to subtract multiples of 10 from double-digit numbers.
(examples: 56-30=26 and 98-20=78)
Help the rocket get to the star by counting by 7s. Write the missing numbers in the circles.
Students will fill out all the sections of the caterpillar as they skip count by 9s.
Children will fill out the caterpillar as they skip count by 10s.
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.
Use the partial hundreds chart to practice adding 2-digit numbers to multiples of 10.
(Example: 34+20=54)
This rocket needs to reach the star. To get there, count by 4s. The first circle starts at number 4 and ends with 40.
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
Skip count by 6s to fill in the missing numbers on the caterpillar.
This cute rocket will travel through space to get to the star by counting by 25s. (25 - 250)
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.
Skip count by 100s to fill in the missing numbers.
Use mental math to find the differences. All problems are horizontal on this worksheet. Also includes two word problems at the end.
Fill in the caterpillars as you skip count by twos.
Fill in the numbers in the circles as you skip count by 8s.
A set of 30 boards for addition bingo, and calling cards.
Find the pairs of numbers in each row that have a sum of 10.
Use this number line to count by 2s.  Complete the activity by filling in the boxes.  This number line ranges from 0 to 32.
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