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.
Curated OER
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.
Curated OER
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.
Curated OER
Addition of 2 Digit Plus 1 Digit (No Regrouping)
Learners 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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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 speed and...
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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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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.
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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Planning a Budget
Students practice column addition and lining up decimal points in the context of money. For this planning a budget lesson, students problem solve after watching a Quicktime video clip in which Harry works out his budget for going on a...
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Domino Adding
Students practice adding numbers to twelve. In this computation lesson, 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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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...
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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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Mathematical Roadmaps
Second graders observe how a sample math problem is solved on the overhead. They work in small groups to develop a strategy for solving another problem using counters as well as a large sheet of paper to write down their explanation of...
Curated OER
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.