Scholastic
Adding and Subtracting Ten
Developing fluency with basic addition and subtraction is fundamental to the success of all young mathematicians. This four-day lesson series begins with learners using ten-frames and hundreds charts to recognize patterns when adding and...
Curated OER
Investigation - Who is Right?
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.
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Pattern Puzzles
A short video introduces place value in addition and subtraction. As a class, your students identify all even numbers up to one hundred and explain the pattern. They use addition strategies to fill in the missing numbers on the number grid.
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Adding Tens
Second graders explore and discuss adding 10 as they predict number patterns with the hundred chart. They work in pairs, groups choose a number, 1-9, and predict what happens if they add 10 to the number. Students make-a-ten strategy...
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Using a Hundreds Chart
Youngsters participate in three activities using the hundreds chart. They will choose numbers to add up to one hundred. Whoever gets the most combinations wins. Two variations of the game are supplied.
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Three-Digit Addition
Learners work with hundreds place value, create and manipulate three-digit addition problems, and add three-digit numbers.
West Contra Costa Unified School District
The Power of Ten: Building a Magnitude Model
Add visual representation to teaching place value with a magnitude model. Using adding machine tape, pupils build a linear place value strip from 1 to 100.
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Finding Patterns with the Hundreds Chart
Students review their numbers up to one hundred. Using a chart, they compare and predict patterns that might be in the numbers. They practice skip counting and grouping numbers. Using a spreadsheet, they graph different sets of numbers...
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Understanding Whole Numbers
In this understanding whole numbers worksheet, 4th graders use a computer program for instruction, then answer 16 problems about addition and subtraction.
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Comparing and Ordering Greater Numbers
Learners compare and order greater numbers. In this place value lesson, students use a place-value chart to identify which set of numbers has the greatest value.
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Number Line Mathematics
Young scholars translate problem situations into diagrams, models, and numerals using whole numbers, fractions, mixed numbers, decimals, and percents. They identify that numbers in different forms are equivalent or not equivalent using...
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Exercises: Counting by 10s
You've found six problems sure to help your class understand adding tens and hundreds. First they fill in a chart by adding 10s, then they make 100 in different ways. They then use a hundred chart to complete three different patterns,...
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Compatible Numbers To Ten
Students solve both addition and subtraction facts and discover the relationship between adding and subtracting equations. Students read real life word problems, extrapolate needed information, and write equations to solve the story...
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Adding Two- and Three-Digit Numbers
In this adding two- and three-digit numbers worksheet, students, with a partner, problem solve and calculate the answers to eight mathematical word problems and equations.
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Let's Trade
Second graders engage in a lesson which focuses on adding two-digit numbers and the regrouping process. They identify when the regrouping process is necessary and make appropriate "trades" to complete an addition problem.
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Ten More and Ten Less
Get learners to analyze two-digit numbers based on place value, and use manipulatives to add and subtract both 1 and 10. A place value chart is available, and you can project it during guided practice. Through visualizing numbers,...
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Adding and Subtracting Fractions with Like Denominators
Students add or subtract fraction parts of mixed numbers before adding or subtracting the whole number parts. For this fractions lesson, students learn to use a ruler to help them add and subtract fractions with like denominators.
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The Hundreds Board
Students explore the concept of multiples and use a hundreds board to add numbers and then graph them. Afterward, they use the sieve of Eratosthenes to identify prime numbers and discover how numbers change when you add or subtract by ten.
Curated OER
Tens! Hundreds! Thousands!!! of Tons
Fifth graders take a close look at the types of ships that travel through the Hudson River Valley on the Hudson River. They utilize worksheets embedded in the plan in order to answer questions about exactly what is being shipped, and how...
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Adding More Than Two Numbers
In this adding more than two numbers worksheet, students, working with a partner, calculate the answers to eleven addition equations.
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Numbers Make Sense
Second graders explore number values by completing estimation problems in class. In this place value lesson plan, 2nd graders identify the use of decimals in numbers and how they relate to fractions or parts of a whole. Students utilize...
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Place Values-Adding
Learners find place value. For this place value lesson, students are shown examples on the board by their teacher. A ten-problem worksheet is included. Problems involve only the hundreds and ten thousands place.
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Number Chart and Number Line
First graders research strategies for identifying numbers through 100. In this number recognition lesson, 1st graders make games, create puzzles,and fill in missing numbers to practice number identification.
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Calc-You-Late Magnitudes
First graders are introduced and practice using a calculator. Individually, they enter and complete simple addition and subtraction problems. After the answer is displayed, they identify the place value for ones, tens, and hundreds...