Illustrative Mathematics
Equivalent fractions approach to non-repeating decimals
Trying to get your class to think of decimals as fractions and vice versa can lead to interesting discussions. After all, we can usually understand quickly that 1/4 is .25 but why is 1/7 not so easy to convert? This activity looks at...
Illustrative Mathematics
Representing Half of a Circle
Geometric shapes make great visual models for introducing young mathematicians to the concept of fractions. Looking at a series of four circles, young scholars are asked to determine whether or not one half of each circle is shaded. To...
Curated OER
All Kinds of Numbers
Count and compare numbers and fractions using "greater than" and "less than." Learners count on by 2s and 10s and represent the end number with base ten blocks, counters, and cups. They use circle stickers to illustrate fractions and...
Houghton Mifflin Harcourt
Unit 7 Math Vocabulary Cards (Grade 4)
Looking for vocabulary cards to expand your mathematicians' academic language? A set of 19 vocabulary cards focuses on terms dealing with probability, fractions, and decimals. Each sheet has a word card and a definition card.
Willow Tree
Rational vs. Irrational Numbers
Build an understanding of rational numbers and their counterpart irrational numbers. Lead learners through an explanation of rational numbers and the ways they can be expressed. Then introduce them to irrational numbers and make...
Curated OER
Decimals, Percents, and Fractions
Learners practice converting fractions, decimals, and percentages to communicate equal amounts. They fill in a table, determine the percentage of a total area that is shaded in diagrams, complete equations with decimals to the hundredths...
Virginia Department of Education
Mathematics Vocabulary Cards - Grade 2
Augment your math curriculum with posters detailing several concepts important to second grade math. Each poster features one math term from geometry, measurement, probability and statistics, computation and estimation, numbers and...
Curated OER
The Gum Drop
Students find the area of three figure by the traditional formulaic methods. Then they count the number of grid squares to double check. They show an intuitive sense of Pick's Algorithm by counting every two boundary squares as one unit....
Curriculum Corner
“I Can” Common Core! 1st Grade Math
Any first grader can master the Common Core math standards with this checklist! With each standard rewritten as an affirmative I can statement, children are provide with clear goals to work toward throughout the school year.
Display an...
Curated OER
Subtraction of Fractions
In this fraction worksheet, students take a pre-test about what they may already know pertaining to subtraction with fractions. Students respond to 8 multiple choice questions and self check answers with this online interactive...
Curated OER
Fractions
In this fractions practice instructional activity, students use their problem solving skills to solve 9 problems that require them to identify and shade fractions as well as solve word problems.
Curated OER
Adding and subtracting fractions: the same sized slice
Learners establish a strategy for adding simple fractions. They convert improper fractions to mixed numbers and interpret drawings and storyboards.
Curated OER
Angle Measurement Exercises
In this math instructional activity, students find the measurements of the angles in degrees. Then they determine which ones are in Standard Position.
Curated OER
Addition of Fractions: Pre-test
In this fraction worksheet, 6th graders take a pre-test about what they may already know pertaining to addition with fractions. Students respond to 8 multiple choice questions and self check answers with this online interactive...
Curated OER
Exploring Equal Parts
In this math worksheet, students examine 3 sets of shapes. In each set, there is one figure that has been divided evenly and one that has not. Students color the shape that shows an equal division.
Curated OER
Find Factors of a Number
In this finding factors practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.