Curated OER
Using Doubles to Subtract
In this subtraction activity, 1st graders use addition doubling patterns to subtract numbers. For instance, one problem asks students to subtract three from six. They are directed to think that 3+3=6. Students write the answer to 6-3.
DK Publishing
Addition Practice Worksheet (Adding Three 2-digit Numbers)
Three addends stack up for some strenuous sum practice! All of the numbers are double-digits, and regrouping is often necessary. Challenge your second graders or provide practice for older mathematicians with this assignment. An answer...
Curated OER
Seein' Double, Seein' Double
By using the Internet, hands-on activities, video, and cooperative learning, pupils look into the conditions in which light casts shadows on objects. The lesson plan includes fabulous hands-on activities, art projects, worksheets, and...
Curated OER
Addition, Single Digit Double Plus One
In this adding single digit numbers activity, students solve 30 problems that require them to add single digit numbers one more than them.
Curated OER
Grandpa's Chocolates
It's fun playing a game of "Guess What's in the Jacket Pocket?" Students read the question using the concept of doubles using mental math. They then share their solutions with the class.
Curated OER
Forties Doubling Version 1
In this addition practice worksheet, students hone their math skills as they solve 40 problems that require them to add 2-digit numbers that double themselves.
Curated OER
Thirties Doubling Version 1
In this addition practice worksheet, learners hone their math skills as they solve 40 problems that require them to add 2-digit numbers that double themselves.
Curated OER
Teens Doubling Version 1
In this addition practice worksheet, students hone their math skills as they solve 40 problems that require them to add 2-digit numbers that double themselves.
Curated OER
Twenties Doubling Version 1
In this addition practice worksheet, learners hone their math skills as they solve 40 problems that require them to add 2-digit numbers that double themselves.
Curated OER
Nineties Doubling
For this addition practice worksheet, students hone their math skills as they solve 40 problems that require them to add 2-digit numbers that double themselves.
Curated OER
Eighties Doubling
In this addition practice worksheet, learners hone their math skills as they solve 40 problems that require them to add 2-digit numbers that double themselves.
Curated OER
Seventies Doubling
In this addition practice worksheet, students hone their math skills as they solve 40 problems that require them to add 2-digit numbers that double themselves.
Curated OER
Sixties Doubling
In this addition practice activity, students hone their math skills as they solve 40 problems that require them to add 2-digit numbers that double themselves.
Curated OER
Doubling Two Digits (No Carrying)
In this addition practice activity, students hone their math skills as they solve 40 problems that require them to add 2-digit numbers that double themselves.
Curated OER
Doubling Two Digit Numbers (All Problems) Version 2
In this addition learning exercise, learners solve 40 problems in which two digit numbers are doubled. There will be carrying in some of the problems. Example: 79 + 79.
Curated OER
Single Digit Doubling Version 1
For this addition practice worksheet, students hone their math skills as they solve 40 problems that require them to add 1 and 2-digit numbers that double themselves.
Curated OER
Doubling Two Digit Numbers
In this addition worksheet, learners add one and two digit numbers that are doubles facts. Students complete 40 addition problems.
Curated OER
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.
Curated OER
Adding Doubles Plus One (A)
In this addition worksheet, students find the sums by doubling the least number and adding one. Students solve 21 problems.
Math Worksheets Land
Add and Subtract to 100
Give your scholars some basic practice with addition and subtraction problems. Because the answers are explained at the bottom, consider projecting this and covering up the bottom, revealing only after class responses have been shared....
Curated OER
Addition Polymerization: Preparation of Polystyrene Using Two Types of Initiators
Advanced chemistry classes compare the polymerization of styrene using two different initators: benzoyl peroxide and aluminum chloride. Once they synthesize polystyrene, they compare the two producet for melting point and density. There...
Curated OER
Adding Doubles (B)
In this adding doubles worksheet, students enhance their addition skills by adding the double numbers. Students add to solve the 21 problems.
Curated OER
Go Ahead, Create Problems: Enrichment
In this addition problems worksheet, learners create six addition problems. In the problems, students use three two-digit numbers in each. Learners make a ten to solve three problems and use doubles to solve the other three problems....
Curated OER
Let's Learn Those Facts
Students practice adding one digit numbers. In this practicing adding one digit numbers instructional activity, students roll dice to determine which one-digit numbers they will add together. Students practice adding one digit numbers...
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