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Interactive
Curated OER

Name the Number: Count Tens and Ones

For Students 1st - 3rd
In this counting worksheet, students use pictures of cubes to count groups of tens and ones, then write the numbers they count next to the pictures.
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Lesson Plan
Curated OER

Tens and Ones

For Teachers 1st - 2nd
In this counting by groups worksheet, students practice counting by tens and then by ones. Students count the rows of ten and single cubes and then write how many cubes there are all together.
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Worksheet
Curated OER

Tens and Ones

For Students 1st - 2nd
In this tens and ones instructional activity, students read the number examples listed by tens and ones. Students circle the larger number in each of the 24 problems.
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Worksheet
Curated OER

Adding Tens

For Students 1st - 2nd
In this math worksheet, students solve thirty addition problems. In each problem, students add two different two-digit numbers.
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Worksheet
Curated OER

Working with 10s and 1s, Part 2

For Students K - 2nd Standards
Practice place value by visualizing 10s and 1s. First graders count the cubes in each place, then write the total number at the bottom. In one particularly helpful section, they draw the cubes that will add up to a given number. Bring in...
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Lesson Plan
Illustrative Mathematics

Roll & Build

For Teachers K - 2nd Standards
Develop young mathematicians' understanding of place value with this hands-on math activity. Working in pairs, learners take turns building two-digit numbers by rolling two ten-sided dice. Base ten blocks are then used to model the...
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Lesson Plan
Illustrative Mathematics

Comparing Numbers

For Teachers K - 2nd Standards
Young mathematicians spin their way to a deeper number sense with this fun, collaborative activity. Using two spinners, one with the numbers 0-9 and the other with the decades 00-90, pairs of students take turns building and comparing...
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Worksheet
Curated OER

Mental Math: Breaking Apart to Add

For Students 1st - 2nd
Develop mental math addition skills by breaking apart addends into 10s and extras. Worksheet has problem solving steps at the top of the page, and 8 practice exercises that lead to increasing independence using the process. 
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Worksheet
Curated OER

Counting On In Tens

For Students K - 2nd
How can you start at 13 and end up at 43? By adding 10s of course! Kids complete 4 different number lines by adding 10s. Each line begins with a teen number and is 4 numbers long. An answer key is included.
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Lesson Plan
Curated OER

Place Value Review: Tens and Ones Place

For Teachers 1st - 2nd Standards
Young learners determine the place value of a digit in a given number.  They review 10s and 1s place value by participating in activities using unit blocks. Some excellent independent practice is built in to this plan. A written...
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Activity
Illustrative Mathematics

Hundred Chart Digit Game

For Teachers K - 2nd Standards
Math games, especially in the primary grades, provide great opportunities for developing the number sense of young mathematicians. Working in pairs with a deck of single-digit cards, students take turns drawing two cards and reading the...
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Lesson Plan
Illustrative Mathematics

“Crossing the Decade” Concentration

For Teachers K - 2nd Standards
Young mathematicians concentrate on learning to fluently count. Following the rules of the classic game Memory, children take turns flipping over cards in order to find pairs of numbers that cross a decade (e.g. 29 and 30). For younger...
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Lesson Plan
Curated OER

Using Tens Frames for One to One Counting

For Teachers K - 1st
Students complete a variety of exploratory exercises regarding counting through 10. They recognize the numbers 0-10 as represented using the quinary pattern on the tens frames. They are able to visualize the patterns for future...
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Lesson Plan
Curated OER

Representing Numbers to 50

For Teachers 1st
In this mathematics worksheet, 1st graders identify two-digit numbers that show tens and ones. Then they write how many tens and ones there are and place the number in the boxes given.
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Lesson Plan
Curated OER

Place Value Popsicles

For Teachers 1st - 2nd
Students play a place value game using popsicle sticks and dice. They investigate units and tens.
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Worksheet
Curated OER

Same and Different

For Students 1st - 2nd
For this mathematics learning exercise, learners first complete the tens place and then add the rest. Then they continue the patterns and compare each column. Students also fill in the missing addends and solve various word problems by...
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Worksheet
Curated OER

More Counting On In Tens

For Students 1st - 2nd
In this counting on activity, students count in tens from one given number to another and write how many tens they counted. A reference website is given.
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Worksheet
Curated OER

Counting Back in Tens (pg. 1)

For Students 1st
In this counting by 10 worksheet, 1st graders count down in tens from the numbers 87, 68, 92 and 77. There are 5 boxes to be filled in for each number.
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Lesson Plan
Curated OER

Using Tens and Ones

For Teachers 1st - 3rd
Students make bean sticks. In this place value lesson, students practice counting ones and tens by using craft sticks and beans to make counting sticks.
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Lesson Plan
Beacon Learning Center

Fishing for Tens

For Teachers K - 2nd Standards
Children brainstorm and list pairs of numbers that equal ten. In small groups they play Tens Go Fish, which is like regular Go Fish, except your goal is to make pairs that equal ten. Make math fun with this fishing game! A worksheet is...
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Lesson Plan
Curated OER

Counting by Tens

For Teachers 1st
First graders listen to "One Is a Snail, Ten Is a Crab", a story about a crab with ten feet and counting by tens. They create their own crab to practice counting by tens to one hundred.
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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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Worksheet
Curated OER

Count By Twos, Fives, Tens

For Students K - 1st
In this skip counting worksheet, students solve 3 problems in which they count by twos, fives or tens. The pattern is continued for three numbers that will be written on large primary lines.
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Lesson Plan
Curated OER

Rounding to the Tens Place

For Teachers 1st
First graders practice rounding to the nearest hundred and tens place. In this rounding lesson, 1st graders watch a video on and discuss the process of rounding to the nearest hundreds place with the teacher's guidance. Students...

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