Curated OER
Math Lesson Plan : Finger Counting
Create a class of mathematics master. They practice addition to ten until they have mastered the skill. They use their hands to add numbers and eventually find the missing addend to make a sum of 10. They also subtract a single digit...
Curated OER
Domain: Operations and Algebraic Thinking
Practice basic operations for young mathematicians in fun ways! Using two decks of cards (Ace through 10 plus the joker), learners play "memory" by matching numbers that can be added to make 10 and writing number sentences. In another...
Curated OER
Mentally Add and Subtract 10 or 100
Don't let the title of this one fool you; scholars skip count only by 10 in this number sequence worksheet. They fill in missing numbers on a number line to complete each sequence, adding or subtracting 10. There are two addition...
Curated OER
Oddball Patterns
Investigating unique number patterns gets learners to put their thinking caps on. Your whole class examines numerical palindromes that are added and multiplied. The class works to find the pattern.
Curated OER
What's the Difference?
In this integers worksheet, students solve and complete 4 different problems that include determining various integers in temperature. First, they use the thermometers shown to graph the difference between the highest and lowest...
Curated OER
Counting On In Tens
How can you start at 13 and end up at 43? By adding 10s of course! Kids complete 4 different number lines by adding 10s. Each line begins with a teen number and is 4 numbers long. An answer key is included.
Curated OER
Number Base Clocks
Young scholars investigate place value in base ten. In this number sense lesson, students participate in an online lesson at www.shodor.org/interactivate/activities/NumberBaseClocks and demonstrate how to convert numbers from base ten to...
Curated OER
Addition with Pennies
With 6 pennies as the constant number in each equation, students practice adding various single-digit and double-digit amounts in these 9 problems. The large pennies on the instructional activity are helpful counters for young learners.
Curated OER
Videobusters
A real-world scenario, Videobusters, a video rental store has just got to get organized. In small groups, the class works on organizing and analyzing data utilizing matrices. They need to use their skills in adding, subtracting and...
Curated OER
Add and Subtract Decimals
In this decimal worksheet, learners read about adding and subtracting, then complete a set of 31 problems, adding, subtracting, solving for values of expressions and solving equations.
Curated OER
One and Tens Place Value
Counting is much easier when the objects are arranged in groups of 10! This place-value practice sheet helps young mathematicians grasp ones and tens place value through three exercises. First, they complete three missing addend...
Curated OER
Add and Subtract within 20
Here is a more interesting way to practice addition and subtraction number sentences. Learners complete two sum boxes, adding across and down then totaling for a final sum. They do the same with subtraction in two more boxes. Finally,...
Curated OER
Mentally Add and Subtract 10 or 100
Get your mental mathletes in top form with this number sequence worksheet! They must add or subtract 10 from a number to complete these number lines, finding the missing three-digit numeral from a list of answers. Encourage verbal or...
Curated OER
Add Three Single Digits
The focus of this lesson is practice. Included are 14 worksheets each containing 10 simple single digit problems, where 3 digits are added together to find a sum. Problems are presented in both horizontal and vertical fashion. Note: This...
Curated OER
Number Blast Addition
A quick and easy way to get kids ready for math, is with a warm-up activity. Here, they are presented with a series of 10 numbers, as the slides progress they add each number together, resulting in a single answer. A wonderful warm-up,...
Curated OER
Counting by 1s Puzzle Worksheet
This dog is apparently quite upset that he is separated from his bone; can your learners use their counting skills to guide him back to it? The hundreds chart just took a fun twist! Scholars start at one on the bottom of the...
Curated OER
Bunnie Education: 1-10 Worksheet
In this elementary math worksheet, 1st graders practice adding simple numbers in order to practice counting up to the value of ten. This is done in ten problems.
Curated OER
Adding Integers
In this adding integers worksheet, 5th graders solve and complete 6 different problems that include using number lines. First, they create 6 arcs in column B connecting two integers that can be added together to equal the integers in...
Math Salamanders Ltd.
Column Addition - 4 Digits and Multi-Addends
In this addition activity, students complete a set of 12 problems by adding three- and four-digit numbers. A reference website is provided for additional activities.
Curated OER
Dice Flash Cards
Before one can play a game involving counting or adding the dots of a pair of die, one needs to understand what each side of the die represents. This page contains printable flash cards intended to help autistic learners recognize that...
Curated OER
Add and Subtract within 20
The sums and differences only reach 20 in this arithmetic worksheet. Scholars answer 10 simple number sentences, some involving two numbers and others with three. They choose the correct answer from a list on the right. There are the...
EngageNY
Adding and Subtracting Expressions with Radicals
I can multiply, so why can't I add these radicals? Mathematicians use the distributive property to explain addition of radical expressions. As they learn how to add radicals, they then apply that concept to find the perimeter of...
EngageNY
Adding and Subtracting Rational Expressions
There's a fine line between a numerator and a denominator! Learners find common denominators in order to add and subtract rational expressions. Examples include addition, subtraction, and complex fractions.
Maths Blog
Adding/Subtracting Whole Numbers in Your Head
Exercise those mental math muscles! This worksheet contains 10 addition and 10 subtraction problems which require learners to compute sums or differences in their heads. A quick review at the top of the page provides a strategy based on...
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