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Curated OER
Worksheet #10
In this mathematics worksheet, 2nd graders solve various problems by either adding or subtracting when necessary two-digit terms. They use a number line at the top for help solving each.
National External Diploma Program Council
Finding an Average
Young hopefuls can practice finding the average of a group of numbers represented in tables and word problems.
Mathematics Vision Project
Module 3: Polynomial Functions
An informative module highlights eight polynomial concepts. Learners work with polynomial functions, expressions, and equations through graphing, simplifying, and solving.
Curated OER
Rational Numbers
In this rational numbers worksheet, 9th graders solve and complete 16 different problems that include adding and subtracting various rational numbers. First, they determine the sum or difference for each equation. Then, students evaluate...
Curated OER
Writing Equations: Addition and Subtraction 0 to 20
In these subtraction and addition worksheets, students write the equations for the addition and subtraction sentences. Students solve 28 problems.
Curated OER
Four Digit Vertical Addition With No Regrouping
In this addition instructional activity set, students find the sums to 36 four digit plus two digit vertical addition problems. They do not regroup when finding the sums to these vertical problems.
Curated OER
Pattern Puzzles
A short video introduces place value in addition and subtraction. As a class, your students identify all even numbers up to one hundred and explain the pattern. They use addition strategies to fill in the missing numbers on the number grid.
Curated OER
Elimination Using Addition and Subtraction
In this systems of equations worksheet, students use the elimination method to solve systems of equations. An example and explanation is given at the beginning of the worksheet. This one-page worksheet contains ten problems.
Curated OER
Rounding
The two rules of rounding are expertly-covered in this math PowerPoint. Young mathematicians are instructed to look at the number to the right of the place value they must round to. If the number is 0-4, the number stays the same. If the...
Curated OER
Math 121 - Mixture Problems
In this mixture problem learning exercise, students read story problems, identify necessary information, and solve mixture problems using the mixture formula. This one-page learning exercise contains ten problems. Answers are provided...
Curated OER
Fun With Addition
Students name numbers to 30, use the number keys on the computer, use manipulatives to add, and add numbers in any order. In this addition lesson plan, students learn the language of sum, equals, and a plus sign.
Curated OER
Challenge Your Middle Schoolers with Mathematical Strategy Games!
Help learners develop the ability to think logically and mathematically, in a really fun and engaging way.
DK Publishing
5 More Than
Ready for some beachy addition practice? One of these rows of sea shells has five more than the other; learners examine sets to determine which one has five more, checking it off. Consider also asking them to write down the specific...
Curated OER
Counting On Tens or Ones
In this mathematics worksheet, 1st graders count on tens or ones. They identify how many ones and tens that they are counting for each. Then, students write the sum for each problem.
Curated OER
Matrix Addition
In this matrix worksheet, students add matrices containing four to nine numbers. Explanations and examples are provided. This two-page worksheet contains ten problems.
Curated OER
Add Decimals Mentally
In this adding decimals worksheet, students add a set of 5 decimal problems, then put missing decimal numbers to make sums add up to the number 1. Answers included, a reference web site is given for additional activities.
Curated OER
SAT Prep
In this secondary mathematics worksheet, students are provided with questions that are designed to provide SAT test preparation. The one page interactive worksheet contains ten questions. Answers are not provided.
Curated OER
Subtracting Integers (II)
In this subtraction worksheet, students complete subtraction problems containing parenthesis, up to 3 digit numbers, and negatives. Students complete 10 problems total.
Curated OER
Standard written method for addition of 2-digits
In this addition worksheet, students learn how to add two 2-digit numbers together. They then use what they read to solve the 12 addition problems. That answers are on the last page.
Curated OER
Math Club Problems #12
In this math club problems #12 worksheet, 8th graders solve 6 math puzzles about number patterns, drawing lines, adding sums, and family ages using logic and problem solving skills.
Curated OER
The Missing Monkey Mystery
Second graders explore number values by completing number sentences. In this math functions instructional activity, 2nd graders identify whole numbers by using a visual aide and practice filling in the blank in number sentences. Students...
Curated OER
Crabby Math
Here are 4 different (yet related) worksheets and an answer key for each. The class will work through each sheet, adding single-digit number to find sums. They then color in the sums that meet each worksheets instructions. For example:...
Curated OER
Addition Drills, part 3
Here's an addition drill for scholars who are already comfortable with regrouping. There are 30 horizontally-aligned problems here, each with two 2-digit addends. Mathematicians use three examples as reference as they solve each of...
Illustrative Mathematics
Mixed Numbers with Unlike Denominators
There is more than one way to add mixed numbers. This worksheet asks 5th graders to find and record two ways. The purpose is to help pupils realize there are different ways to reach a common solution in math. The two most common ways are...