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Worksheet
Curated OER

Base Ten Blocks - Counting Units (A)

For Students 2nd - 3rd
In this math worksheet, students are given 8 sets of counting blocks. Students are asked to count the blocks and tell how many "units" are in each group.
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Worksheet
Curated OER

Decimal Models

For Students 4th - 5th Standards
Before jumping into numeral decimals, explore them visually using this base 10 strategy. There is a set of examples to help scholars understand the concept. They color in grids to represent decimals written in a variety of ways. Some...
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Lesson Plan
Curated OER

Mathematics Lesson Plan

For Teachers 2nd
Second graders study subtraction facts. In this mathematics lesson, 2nd graders discuss how to solve two digit subtraction problems. Students recognize that there are many different methods or strategies one can use such as using...
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Interactive
CK-12 Foundation

Decimals as Mixed Numbers

For Students 6th - 8th Standards
A five-question interactive boosts scholars' knowledge of decimals and mixed numbers. Moveable base 10 blocks assist mathematicians in answering a series of multiple-choice and true or false questions. A discussion concludes the practice. 
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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
EdHelper

Subtraction

For Students 1st - 2nd
In this subtraction worksheet, students use the base ten blocks and square unit blocks to help them find the missing number to complete the single and double digit subtraction problems. Students solve 11 problems.
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Lesson Plan
Curated OER

Extending our Knowledge of Place Value

For Teachers 1st - 2nd
Students demonstrate their knowledge of place value through auditory, visual, and kinesthetic channels. In this place value instructional activity, kinesthetic learners work with a partner using both sets of hands to represent 2 digit...
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Activity
Math Learning Center

Grade 1 Supplement Set A5 – Number and Operations: Place Value

For Teachers 1st Standards
First graders work together to sort, categorize, and order collections of objects through activities that help build number sense. 
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Worksheet
Curated OER

Place Value Blocks

For Students 2nd - 4th
Flats, rods, and units are used to show what place value actually represents. Learners assess each image, writes the number of flats, rods, and units displayed then write the whole number each image represents. There are 5 problems to...
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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 in...
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Lesson Plan
Curated OER

Decimal War

For Teachers 4th - 5th
Pupils play a math game. In this decimals and fractions lesson plan, they use base ten blocks to practice converting between decimals and fractions. Everyone plays a game called Decimal War to practice these concepts.
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Lesson Plan
Curated OER

Decimals Decide Olympic Champions

For Teachers 4th - 6th
The class discovers how a decimal can make all the difference in the Olympics. As they learn about decimal place values, they compare and contrast data and demonstrate decimal values using manipulatives.
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Interactive
Curated OER

Tens and Ones

For Students 2nd - 3rd
In this tens and ones worksheet, students complete several exercises that help them learn value places and write numbers as tens and ones. Students complete 45 problems.
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Worksheet
Curated OER

Addition: Equation to 10 (Missing Addend)

For Students 1st - 2nd
Use this worksheet as a way to solve missing addneds up to 10. Learners are given base 10 blocks and make number sentences by completing 16 missing addend number sentences. The structure of each problem is similar to a factor tree and...
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Worksheet
Curated OER

Place Value

For Students 4th - 5th
In this place value worksheet, students use the base ten blocks and square units to help them find the number and write it in expanded and standard form.
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Worksheet
EdHelper

Addition

For Students 1st - 2nd
For this addition worksheet, students count the base ten blocks and the square unit blocks to solve the addition problems. Students solve 5 problems.
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Lesson Plan
National Security Agency

Place Value for Primary Grades- A Place for Everything

For Teachers 2nd - 3rd Standards
Here is a phenomenal instructional activity on place value to the thousands place.  Learners construct numbers and identify the value of each digit, investigate building numbers using craft sticks and paper plates, and complete other...
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Lesson Plan
Curated OER

MathKeys Software "Unlocking Whole Numbers, Vol 2 (Rolling the Highest Number)"

For Teachers 3rd
Third graders arrange four numbers in order to make the highest number possible. In this place value lesson plan, 3rd graders practice working with four digit numbers on the computer and with base ten blocks.
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Lesson Plan
Curated OER

Trading in Subtraction

For Teachers 2nd
Second graders solve two-digit subtraction problems without trades using counters and by modeling trades with base-ten blocks. They pair in groups and students open the "Counters Open Mat". Students are given a problem, such as: there...
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Lesson Plan
Curated OER

Place Value 100's and 1,000's

For Teachers 3rd
Third graders watch a PowerPoint presentation and read a book on place value used in our base ten system. They play a place value game and complete a worksheet.
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Lesson Plan
Curated OER

Base 10 Rounding

For Teachers 5th - 7th
Learners build two, three, and four digit numbers using base ten blocks and round those numbers. In this rounding numbers lesson, students work in pairs and build numbers using base ten blocks.
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Lesson Plan
National Math + Science Initative

Introduction to Decimals

For Teachers 5th Standards
Three activities make up an introductory lesson designed to create a strong foundation in comparing fractions to decimals and exploring and building decimal models. Pupils brainstorm and complete a Venn diagram to show how decimals and...
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Worksheet
Curated OER

Identify Place Value

For Students 4th - 5th
In this place values learning exercise, students solve the word problems by identifying the place value number in question. Students solve six problems.
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Worksheet
K12 Reader

Alliteration: It’s a Zany Zoo!

For Students 2nd - 3rd Standards
Elephants eat and cheetahs chase in this zany zoo! Kids survey a list of ten animals before adding in an adjective and verb for each to form an alliterative phrase or sentence.

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