Curated OER
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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M & M Addition
Eat your math manipulatives, are you serious? Yup, Learners listen to the story The M & M's Addition book, add single digit numbers to reach sums up to six, and demonstrate addition and subtraction number combinations using several...
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The Part-Adder 2
Third graders use mental-math strategies to solve two-digit plus two-digit addition problems. They observe and discuss online demonstrations, solve word problems as a class, and independently solve problems and describe their solutions...
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Double-Digit Addition with Regrouping
First graders recall place value system and double-digit addition, create and manipulate double-digit regrouping, and devise and identify ways to use regrouping.
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Adding Doubles (B)
In this adding doubles worksheet, students find the sums by adding each number to itself. Students solve 21 problems.
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Adding Doubles (A)
In this adding doubles worksheet, students solve the sums by adding each number to itself. Students find the sums of 21 problems.
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Adding Doubles Plus One (B)
In this addition worksheet, students find the sums of single digit doubles plus one. Students solve 21 problems associated with adding doubles.
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Let's Learn Those Facts
Students practice adding one digit numbers. In this practicing adding one digit numbers lesson, students roll dice to determine which one-digit numbers they will add together. Students practice adding one digit numbers for...
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Decorate-a-Cookie
Students use cookies and candy to practice finding the sum of three single-digit numbers.
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Scale Matters
Third graders study the meaning of the digits an any whole numbers with up to 3 decimal places. They order decimals with up to 3 decimal places and perform measuring tasks, using a range of units and scales.
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Planning a Budget
Students practice column addition and lining up decimal points in the context of money. In this planning a budget lesson, students problem solve after watching a Quicktime video clip in which Harry works out his budget for going on...
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Domino Adding
Learners practice adding numbers to twelve. In this computation instructional activity, students construct paper domino patterns and play games in which they use the the dots on the dominoes to make addition problems.
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Addition of 2 Digit Plus 1 Digit (No Regrouping)
Students review adding without regrouping the numbers. They are divided into groups and have to write the answer to the problem given on their papers.
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I am the Greatest
Students participate in a game blending skill with chance to enhance students' understanding of the concept of place value. They explain that the value of a number increases when digits farthest to the left have greatest value.
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I Am The Greatest
Students work with the place value of given digits. In this place value lesson, students use a deck of number cards to find the greatest number when they draw three cards from the deck. They arrange the the digit from greatest to least.
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The 1 That Got Away
Students explore number properties. They using multilink blocks to explore doubling of the numbers and explore the patterns to investigate 2 to the power of n and how it is written. In addition, they usse the 100s board, number line and...
Education World
Counting with Marshmallows and Licorice
Here's a tasty lesson on place value! Learners practice counting by ones and tens using mini-marshmallows and licorice sticks. They count and add the mini-marshmallows, and use the licorice sticks to represents tens.
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Bernardo and Sylvia Play a Game
This activity presents a game played by two learners whose solution is an exercise in creating and analyzing with algebraic inequalities.
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Ordering Numbers to 1,000
In this ordering numbers to one thousand worksheet, students, working with a partner, calculate the answers to eight word problems involving ordering numbers to one thousand.
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Place Value
Second graders complete math problems. In this place value lesson, 2nd graders read the book "One Grain of Rice" and use it to learn about place value. Students use index cards and rice to complete a place value activity.
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Place Value
First graders practice place value by completing problems that allow them to group 10 items together to create groups of 10 and see what is left over. In this place value lesson plan, 1st graders use cups to put 10 items in them, and...