National Security Agency
Borrowing from Our Neighbors
Young mathematicians explore two-digit subtraction. They will investigate multiple ways to subtract numbers involving regrouping. Resources are provided.
Curated OER
Number Sense and Numeration: Multiples, Factors and Square Roots
A great resource for any math teacher covering multiples, factors or square roots; this worksheet walks young mathematicians through the logic behind factoring and square roots with a systematic set of problems which gradually increase...
Curated OER
Number Lines and Whole Numbers
Number lines are a great way to help scholars grasp basic addition when it's still a new concept. This worksheet offers them 10 chances to practice this association. The first five have an addition equation and a number line; learners...
Curated OER
Subtraction with Regrouping Lesson Plan
Learners explore regrouping while subtracting. In this subtraction lesson, pupils manipulate base 10 blocks to demonstrate regrouping. Multiple resources are provided.
Curated OER
Subtracting Fractions
In this subtracting fractions worksheet, students solve 18 different problems that include subtracting various types of fractions. First, they find the least common multiple of both numbers. Then, students rewrite the fractions as...
Math Flix
MathFLIX Challenge: Multiplying and Dividing Fractions
First, math majors compare the multiplication and division of unit fractions and whole numbers. They look for patterns, and then apply their knowledge to an array of multiplication and division problems, all involving fractions and...
Curated OER
Number Lines and Whole Numbers
Number lines come in handy once again! Use them to help scholars visualize addition and subtraction problems. They examine five lines to determine which equation each represents, then match them to a list of answers. Consider covering...
Curated OER
Finding the Fraction of a Whole Number
How does one turn a whole number into a fraction? It can be tricky business but fortunately this visual aid will help the process along. An explanation of the process and four example problems help your kids before they tackle seven...
Curated OER
Percents Customized Worksheet
In this percents instructional activity, students solve 18 different problems that include determining the percent of various numbers. First, they determine which way they are going to solve each problem. Then, students determine the...
Curated OER
Easy Addition
Learnes practice an alternate way of carrying when doing addition. In this addition instructional activity, everyone applies an alternate algorithm when they need to carry when adding. They work from left to right instead of starting in...
Curated OER
Subtracting With the Hundreds Place And Regrouping
Learners solve math problems involving subtracting with regrouping. They practice the steps for subtracting in the hundreds place with regrouping, through teacher guided practice. Independently, pupils complete story problems involving...
Curated OER
Pac Man Subtraction
Third and fourth graders engage in a game using visual symbols, auditory responses and tactile stimuli to further their understanding of subtraction. A worksheet imbedded in this plan explains how to teach the game.
Curated OER
A Variety of Word Problems
In this math word problems instructional activity, students solve math word problems about division, fractions, and money. Students complete 3 word problems.
Curated OER
Solving Simple Addition and Subtraction Equations Using Fact Families
Students explore addition fact families. For this addition and subtraction fact family math lesson, students click and drag objects on the Smart Board to create visual representations of fact families. Students use fact family strategies...
Curated OER
Plunge Into Place Value
Students use expanded notation. In this mathematics lesson, students determine the place value of a digit within a whole number. Students use manipulatives, words, and symbols to represent whole numbers.
Curated OER
Arithmetic: Division of Decimals
For this arithmetic worksheet, students mentally divide whole numbers and decimals. They translate word problems to equations and then solve them. This six-page worksheet contains approximately 70 problems. Answers are...
Curated OER
Place Value
In this place value worksheet, students solve and complete 25 various types of problems. First, they use the concept of rounding to answer the questions described. Then, students use each number once to find the largest and smallest...
Curated OER
Decimals and Place Value
Students can practice sorting and rounding decimals in this review activity, which features several examples of each skill as well as twenty-two practice exercises. This worksheet will also work well in an electronic format, as each...
Math Mammoth
Add & Subtract Whole Hundreds 1
In this mathematics worksheet, 3rd graders compare the problem 2700 plus 200 to the problem 27 plus 2 and explain their reasoning. Then they notice the patterns for each of the problems and continue them.
Curated OER
Fractions lesson 1
Young scholars are given an overview of fractions using fractions manipulatives. Students comprehend what numerators and denominators are. They demonstrate a clear comprehension that the size of a fraction depends on the number of parts...
Curated OER
The Real Number System
Learners analyze the real number system. They discuss real numbers, rational and irrational numbers, integers, whole numbers, natural numbers and more of the real number in the system. They differentiate between all these numbers.
Curated OER
Express Whole Numbers as Fractions
Apply fractions in the real world using these 10 word problems, each of which has a space for scholars to work out the equation. The problems give whole numbers for scholars to work with, and there aren't any mixed number answers. Pupils...
Curated OER
Introduction to Algebraic Thinking
In this introduction to algebraic thinking, students perform given calculations. They draw a sequence of pictures to explain the equation. This five page worksheet contains six multi-step problems.
Curated OER
Whole Numbers
In this whole numbers worksheet, students write equivalent equations. This one-page worksheet contains 10 problems.