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Worksheet
Curated OER

Two-Digit Numbers Ending in 8 or 7

For Students 1st - 2nd
In this mathematics instructional activity, students circle the dots to form a complete ten and compare their problem to the one with just ones' digits. Then they add each problem and write down the corresponding problem with just the...
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Lesson Plan
Curated OER

Playing with Tens and Ones

For Teachers 1st
First graders complete a number of activities that increase their number sense and use of simple operations. They use dice and worksheets to make two-digit numbers and to record them, they count by tens and ones, and order numbers using...
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Lesson Plan
Curated OER

Groups of Ten Ones

For Teachers 1st - 2nd
For this "groups of ten" worksheet, students circle groups of ten cubes, then write how many rows of tens they have. Worksheet includes a brief introduction to counting groups of ten.
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Organizer
Curated OER

Hundreds, Tens And Ones Chart

For Students 1st - 2nd
In this math worksheet, students use this blank place value chart to display numbers with ones, tens and hundreds. Students may write on this chart or use math place value manipulatives.
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Worksheet
Curated OER

Add Tens and Ones

For Students 1st - 2nd
Six story problems challenge young mathematicians to add single- and double-digit numbers. Manipulatives would come in very handy for primary graders tackling this worksheet. Some of the sums have addends as large as 25 and 33. Some...
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Lesson Plan
NTTI

Putting Together Ten

For Teachers 1st - 2nd Standards
Groups explore sets of 10 items in two varieties (i.e. 3 white buttons and 7 black ones, or 5 bears and 5 bunnies). They brainstorm about their objects, write math sentences to represent what they have, and report their discoveries to...
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Lesson Plan
Curated OER

Study Buddies: Adding Two-Digit Numbers

For Teachers 1st - 2nd
Some times a simple lesson is all you need. Here are 2 worksheets that can be used as a lesson on problem solving, addition, and partner work. The first worksheet has learners use a tens and ones charts to practice adding simple...
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Lesson Plan
Curated OER

Math Munchers

For Teachers K - 2nd
Students identify the ones and tens values of a two digit number, while practicing chasing, fleeing, and dodging skills.
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Worksheet
Curated OER

Regroup and Subtract

For Students 1st - 3rd
In this regroup and subtract worksheet, students "use making 10 strategy" to regroup ones and tens and subtract 5 problems. A reference web site is provided.
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Organizer
Houghton Mifflin Harcourt

Numbers 11-19

For Students K - 2nd Standards
Develop the concept that numbers from 11 to 19 are essentially a 10, plus more! The first two of the six story problems on this sheet are scaffolded with pictures. Learners compose and decompose numbers to answer how many 10s and how...
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Lesson Plan
National Security Agency

Expanding Place Value

For Teachers 1st - 3rd Standards
Learners explore place value. This incredibly thorough and valuable mathematics lesson, has students make a number wheel to assist in the completion of a Place Value worksheet. Students use manipulatives and a place value mat to further...
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Worksheet
Curated OER

Understanding Place Value, Up to 3-Digit Numbers

For Students 1st - 3rd Standards
Work on place value and addition. Here is a resource that features different types of problems for your second graders to solve. After studying the example at the top of the page, they write the missing number in 12 addition problems....
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Worksheet
Curated OER

Expanded Form

For Students 1st - 2nd Standards
Explore place value through re-writing these two-digit numbers in expanded form. For example, 47 becomes 40 + 7. There is one example to model this, and scholars complete 14 more on their own. Be sure they understand this process as...
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Lesson Plan
Curated OER

Value that Number

For Teachers 1st - 3rd
Learners complete a variety of activities to gain an understanding of the place values for ones, tens, and hundreds. They should place sets of numbers in order from least to greatest and from greatest to least.
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Worksheet
Curated OER

Expanded Shells

For Students 1st - 3rd
Practice expanded and standard notation in this beach-themed addition activity. You will need to cut out the shell templates, which are in three groups: ones, tens, and hundreds. Learners choose one from each group, then use the...
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Worksheet
DK Publishing

Learning Place Value

For Students 1st - 2nd Standards
A great quiz for your place-value unit! Once your first graders have mastered the 1s, 10s, and 100s place values, assess their learning with these questions. Three sections prompt pupils to provide the number in certain places, and the...
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Worksheet
Curated OER

Two-digit Addition and Subtraction

For Students 1st - 2nd
Often times we use tens and ones workmats to show how to add single and double-digit numbers. This activity has the labeled tens and ones columns built-in. Learners are provided with 16 charts, all you need to do is add the numbers.
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Assessment
Los Angeles County Office of Education

Assessment for the California Mathematics Standards Grade 1

For Students 1st Standards
Here is an assessment designed to test mathematicians' knowledge of writing numbers, comparing numbers, skip counting, solving addition and subtraction problems; along with measuring objects, telling time, identifying shapes, reading...
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PPT
Curated OER

Counting on a 100 Square

For Teachers 1st - 2nd
Counting by twos, fives, and tens is a great way to build the skills and number sense needed to better grasp the concept of multiplication later on. Here are six number charts to 100, each chart is highlighted and requires the class to...
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Interactive
PHET

Make a Ten

For Students 1st - 2nd Standards
Rate the resource as a perfect 10. Pupils use an interactive to help add and subtract numbers. They first explore how to express whole numbers using hundreds, tens, and ones, then explore how to add whole numbers by combining to make...
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Worksheet
Curated OER

Using >, < , and =

For Students 1st - 2nd
To practice comparing 2-digit numbers, learners evaluate 8 pairs of numbers and circle the appropriate symbol: greater than, less than, or equal to. Directions encourage use of "tens and ones." So break out the unit cubes and 10-rods to...
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Lesson Plan
Curated OER

Color Me Red If I Am a Ten

For Teachers K - 1st
Young scholars count aloud by tens. They use a number chart to color in every number that ends in a zero and then participate in choral counting by tens.
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Worksheet
Curated OER

Expanded and Standard Form

For Students 1st - 3rd Standards
Tens and ones, that's what this worksheet is all about. Learners break down 6 numbers into their 10s and units, transpose 5 numbers from expanded to standard form, and write 5 numbers in word form. This would be a good worksheet to...
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Worksheet
Curated OER

Place Value and Expanded Form

For Students 1st - 3rd
Numbers can take many forms. Learners practice translating one form to another in this place-value worksheet. They start with a word-form number and choose which of six three-digit numbers is less than (the worksheet uses the term below,...

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