Assessment
Illustrative Mathematics

Making 124

For Students 2nd Standards
How many ways can you make the number 124 using only tens and ones? Use a task that prompts young mathematicians to make 124 in as many ways as possible.
Lesson Plan
Curated OER

Investigation - Who is Right?

For Teachers 3rd
Third graders investigate two mathematic scenarios and determine which is correct. They compare adding columns and places (such as the tens place, hundreds place, and so on) and familiarize themselves with how to add larger numbers.
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...
Lesson Plan
Curated OER

Subtracting With the Hundreds Place And Regrouping

For Teachers 3rd - 4th
Learners solve math problems involving subtracting with regrouping. They practice the steps for subtracting in the hundreds place with regrouping, through teacher guided practice. Independently, pupils complete story problems involving...
Lesson Plan
Curated OER

Ten by Ten

For Teachers K - 2nd Standards
Learners participate in hands-on activities using a hundreds chart and counting toes and fingers. They discover the patterns that are created when counting by ten. After a lecture/demo, students practice by using a worksheet embedded in...
Worksheet
Curated OER

Hundreds, Part Two

For Students 2nd - 5th
In this hundreds worksheet, students write the hundreds, tens, and ones that make up a number using base 10 blocks. Students complete 5 sets of problems.
Worksheet
Curated OER

Expanded and Standard Form

For Students 1st - 3rd Standards
Tens and ones, that's what this activity 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 activity to...
Worksheet
Math Salamanders Ltd.

Place Value - Hundreds, Tens, and Ones 4

For Students 3rd - 5th Standards
In this place value worksheet, students add numbers that are all in different place values and fill in missing addends for different place values. Students complete 40 problems where the numbers are in expanded notation form.
Worksheet
Curated OER

Wacky Windows

For Students 3rd - 4th
In this place value worksheet, students examine 6 pictures of houses with different window shapes that represent hundreds, tens, and ones. Students answer 6 fill in the blank problems where they discover the three digit number...
Worksheet
Curated OER

Ways to Make Hundreds

For Students 2nd - 4th
How many ways can you make 200 using 1s, 10s, and 100s? Learners will build number sense, a basic understanding of place value, and prep for future lessons on expanded form with this simple worksheet. They are given 6 numbers, they write...
Lesson Plan
Curated OER

Primary Understanding and Use of Place Value

For Teachers 3rd - 4th
Explore place value and regrouping with your class. They develop awareness of several ancient number systems and how they differ from the base ten system commonly used today. They play "Chip Trading" with partners to practice addition...
Assessment
Illustrative Mathematics

Bundling and Unbundling

For Students 2nd Standards
Seven tens, plus five ones, equals 75. Five ones, plus seven tens, also equals 75. These are the types of equations learners are asked to make true in a worksheet with 11 unfinished equations.
Printables
Curated OER

Expanded Notation Poster

For Teachers 3rd - 7th
Show how numbers can be expanded with this vivid chart expressing different place values. The chart takes four numbers and writes them with expanded notation in their thousands, hundreds, tens, and ones places.
Worksheet
Curated OER

Liquid Volume and Mass Word Problems

For Students 3rd - 5th
As your scholars become comfortable with liquid mass and volume units, give them these addition and subtraction word problems to help apply the skill. There are no conversion or fraction skills involved. After solving four word problems,...
Worksheet
Curated OER

Hundreds, Tens, Ones

For Students 2nd - 3rd
In this place values worksheet, students use the base ten blocks and the square unit blocks to find the hundreds, tens, and ones values places. Students also find the secret number for the 6 problems.
Lesson Plan
Curated OER

It's All in the Number

For Teachers 2nd - 4th
For this place value worksheet, students read a number, then fill in blanks telling how many hundreds, tens and ones appear in the number.
PPT
Curated OER

Tens and Units - Place Value

For Teachers 2nd - 3rd
Young mathematicians can practice reading numbers from 0 through 200 from viewing this presentation. After a short warm up, learners are instructed to call out what each number stands for in each slide. Some good, solid practice!
Activity
Curated OER

K-5 Mathematics Module: Number and Number Sense

For Students K - 5th Standards
Reinforce number sense with a collection of math lessons for kindergarteners through fifth graders. Young mathematicians take part in hands-on activities, learning games, and complete skills-based worksheets to enhance proficiency...
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...
Worksheet
Curated OER

Whole-Number Place-Value Charts

For Students 4th - 6th
In this place value worksheet, students chart numbers according to their place value. Four charts record tens and ones, two charts record hundreds, tens and ones, and two charts record up to thousands.
Lesson Plan
Curated OER

Seeing Numbers In Tens And Ones

For Teachers 2nd
Second graders develop the skill of place values up to the tens place. They practice identifying the values of 2 digit numbers and writing the correlating values with counting. They use the example of money to make the lesson more...
Worksheet
Math Worksheets Land

Add and Subtract Multi-Digit Whole Numbers

For Students 3rd - 5th Standards
Help young mathematicians see the value in addition and subtraction. Offering one addition and one subtraction problem, this worksheet walks students step-by-step through the solutions of each, starting in the ones place and working...
Handout
MLC

Decimals Worksheets

For Students 4th - 7th Standards
Make sure your students' understanding of fractions is on-point using this series of skills practice worksheets. Covering a variety of topics from basic place value and fraction/decimal conversion, to performing all four operations...
Worksheet
Curated OER

Place Value: Hundreds, Tens, Ones

For Students 2nd - 4th
In this place value worksheet, students look at a number in a left column, then in the right column, write how many hundreds, tens and ones are in that number.

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