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Interactive
Curated OER

Name the Number: Count Tens and Ones

For Students 1st - 3rd
In this counting learning exercise, 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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Worksheet
Curated OER

Count Tens and Ones 2

For Students 1st - 2nd
In this identifying tens and ones practice worksheet, students solve 5 problems that require them to count the items pictured and record the number of 10s and 1s.
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Worksheet
Curated OER

Missing Numbers to Twenty

For Students Pre-K - 1st
Which number is missing? Beginning counters examine twenty-six number sequences, one for each letter of the alphabet. Each sequence has four numbers, ranging from one to 20. There is one number missing from the sequence, and learners...
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Worksheet
Curated OER

Count Forward from a Given Number Puzzle Worksheet

For Students 1st - 2nd
Practice counting on from a given number using this puzzle worksheet. There are 10 starting numbers in the first column, and learners follow them through four columns, counting by ones to find the next number. Although the instructions...
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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
For this tens and ones worksheet, 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

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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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

One and Tens Place Value - Matching Worksheet

For Students 1st
Pupils match the place values with the numbers they represent. The one-page worksheet could be used for independent practice or to assess young mathematicians' understanding of the concept that the two digits of a two-digit number...
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Worksheet
Curated OER

One and Tens Place Value

For Students 1st - 3rd
Counting is much easier when the objects are arranged in groups of 10! This place-value practice sheet helps young mathematicians grasp ones and tens place value through three exercises. First, they complete three missing addend...
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Worksheet
Curated OER

Hundreds, Tens, and Units

For Students 1st - 3rd
How many hundreds, tens, and ones are there? The class examines 3 different images, each containing flats, rods, and units. They write down the number of 100s, 10s, and 1s, then the whole number they represent.
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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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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
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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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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Interactive
Curated OER

How Many Ones Are There?

For Students K - 1st
In this how many ones are there? worksheet, students type in the answer to the question "how many ones are there in 22?" with immediate feedback.
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Worksheet
Curated OER

Counting By Ones

For Students 1st - 2nd
In this counting activity, students complete 48 fill in the blank spaces. Each blank is a missing digit in the counting order starting at 0 to 99. Students must count by ones.
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Worksheet
Curated OER

What's Missing?

For Students K - 2nd
Add a challenge for your young mathematicians' adventures in double-digit addition. Instead of simply computing sums in the 9 problems, they work backwards to fill in blanks among the addends. Resource makes a terrific extension or...
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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 learning exercise. Some of the sums have addends as large as 25 and 33....
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Worksheet
Curated OER

Ones and Tens Place Value

For Students 1st - 3rd
As scholars examine place value, these exercises help them incorporate addition and grouping. First, they answer three missing-addend questions, each with 10 as the given addend. Because all of the missing numbers are single-digit, this...
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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 instructional activity, has students make a number wheel to assist in the completion of a Place Value worksheet. Students use manipulatives and a place value...
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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
Exploratorium

Exploring Pattern Blocks

For Teachers K - 2nd
Pattern blocks are one of the best math manipulatives ever invented. They are used quite extensively in the math activity presented here. Youngsters use the pattern block to fill in shapes that are present on the worksheet embedded in...
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Lesson Plan
Curated OER

Study Buddies: Adding Two-Digit Numbers

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

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