National Security Agency
Fraction Fever
This unit on fractions allows for upper-aged elementary learners to explore ways to find the greatest common factor and least common multiple of two numbers. Ultimately, young mathematicians will be able to identify equivalent fractions,...
Curated OER
How Many?
Working with numbers 1-10, beginning counters complete five exercises to help them hone their skills. They examine two sets of sports balls, circling the ones at various number positions. Next, they count a set of ladybugs, recording the...
Curated OER
Addition Drills
Begin adding two-digit numbers with young mathematicians using this set of straightforward equations, none of which require regrouping. All have two-digit addends, and one sum is a three-digit number. Scholars can reference three...
Curated OER
Comparisons
Explore number value with learners through playing cards. They examine sets of three cards, adding up the value and comparing it to another set of three. Learners write in which is greater than or is less than to show number value...
Mathematics Assessment Project
Cross Totals
Finally, it all adds up. Learners complete a number puzzle in which they investigate the sums of the digits one through nine in a cross pattern. They then try to determine what totals are possible and which ones are...
Curated OER
Find Three Partners
In this addition worksheet, students solve 5 problems in which a picture is analyzed and a number sentence written to go with it. Students solve the addition problems. There will be three single digit numbers added in each problem.
Curated OER
Adding Mixed Numbers 1
In this adding mixed numbers instructional activity, students write addition sentences using pie charts, add mixed numbers with the same denominator, and write mixed numbers as fractions in simplest form. Students solve nine problems.
Curated OER
Calculations with Negative Numbers
In this algebra worksheet, students solve algebraic equations by addition with negative numbers. There are 3 questions with an answer key.
Curated OER
Study Buddies: Adding and Subtracting Decimals
In this math worksheet, students will work with a coach to add and subtract numbers with decimals to the hundredths. Students will follow a step-by-step process and notes are provided for the coach.
Curated OER
Adding Greater Numbers
In this addition worksheet, 3rd graders solve 12 addition math problems dealing with 4-digit numbers and money. Students answer 3 addition word problems and 2 addition problems with multiple choice answers.
Curated OER
Subtraction: 2 digit numbers with regrouping
In this subtraction worksheet, students subtract two digit numbers from other two digit numbers with regrouping. Students complete 30 subtraction problems.
Curated OER
Adding Mixed Numbers
In this adding instructional activity, students practice adding mixed numbers, with like denominators. They reduce their answers to lowest terms. There are examples and nine problems on this one-page instructional activity. An answer key...
Curated OER
Mixing Mixed Numbers Art/Creating Fractions
Third graders explore number values by participating in class math activities. In this fractions lesson, 3rd graders collaborate with classmates to discuss the technique of adding mix numbers while utilizing paper plates to help...
Curated OER
Fractions XI Adding Mixed Numbers with Unlike Denominators
This PowerPoint demonstrates how to add mixed numbers with unlike denominators. The slides display examples of problems, along with steps that students can easily follow.
Math Mammoth
Adding Fractions And Mixed Numbers 1
In this mathematics activity, 4th graders add the fractions and shade the parts illustrated in each picture. Then they write the whole numbers from 0 to 5 under the bolded black lines. Students also add and give their answer as a mixed...
Curated OER
You've Got My Number challenge
In this finding the number word problem worksheet, students use the clues one more is and ten more is to discover the mystery number. Students solve eight problems.
Curated OER
Magic Number Squares
How do you find the magic number in this puzzle? First, learners have to find the Spanish vocabulary word for each English word listed. Each Spanish word has a number associated with it, and when the numbers from each row are added, the...
Math Worksheets Land
Adding Objects in Rectangular Arrays - Matching Worksheet
Each of these number sentences has a corresponding set of blocks, which will no doubt help your visual learners grasp multiple-addend addition. Learners examine the sentences and match them to their block representation. Consider also...
Curated OER
Magic Number Squares
Looking for a fun way to review verb conjugations? You've found the perfect resource! Kids love games, and these magic number squares will surely engage them. Consider having a classroom race to see who can find the correct answers first!
Curated OER
The Number Partner
First graders study number pairs and identify number pairs that sum to numbers from 10 to 30. They use number pairs to solve addition and subtraction problems. They make sensible estimates and check the reasonableness of answers.
Curated OER
Adding, Subtraction, Multiplying, and Dividing Fractions and Mixed Numbers
In this fractions activity, learners first review addition, subtraction, multiplication, and division without fractions. Next, students add and subtract fractions in fifth-three problems, followed by multiplying in forty-four...
Curated OER
Two-Step Linear Equations
In this two-step linear equations worksheet, 7th graders solve 15 various problems that include linear equations with more than one-step. First, they need to get the variable, x, alone by subtracting/adding the whole number on the same...
Curated OER
Mental Addition of 3 numbers pg. 1
Mental math is a wonderful skill for students to hone. In this adding mentally activity, students solve three number addition problems. A total of sixteen problems are solved.
Curated OER
Problem Solving: Number Patterns
In this number patterns worksheet, students use the patterns of numbers within each word problem to solve and answer the six word problems.