Curated OER
Numbers 1-7
In this number worksheet, students draw a line from a number to a group of items that equal that same number. Numbers used are 1-7.
Curated OER
Understanding 10: Backwards and Forwards
Help your young mathematicians completely master 10 by practicing one-to-one correspondence, number recognition, and recording numbers displayed. They make 10 with groups of two-different colored cubes and color in 10-frames to show how...
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...
NY Learns
Investigation - What's in the Bag?
If you have or can create a set of tiles, numbered one through eight, then you can implement this hands-on lesson about probability models. Individuals draw a tile from a bag, record its number, and then return it to the bag. They...
Curated OER
Compare Fractions Using Fraction Circles
Fourth graders practice ordering fractions using models and drawings. In this math model lesson, 4th graders utilize colored blocks and drawings to show an equal representation of given fractions. Students compare and...
Curated OER
Estimating Pi as a Length
In this pi worksheet, students evaluate the curve of a quarter of a circle. They analyze the length of the curve, and explain that if the area under the curve is equal to pi, the length of the curve above is also equal to pi. Students...
Curated OER
Hugs and Tallies
Students act out the creation of five tally marks. In this tally mark lesson, students act out how to make tally marks. Four students stand very close together and a fifth student gives them a group hug creating five tally marks.
Curated OER
Time and Metric Measurements
For this comparing times and measurements worksheet, students read times in seconds, minutes, and hours and metric measurements of mass and length to compare groups of two and write the symbols for less than, equal to, or greater than....
Curated OER
Statistics
In this statistics worksheet, students solve and complete 6 different problems that include determining various types of statistics. First, they determine the data set where the median value is equal to the mean value. Then, students use...
Curated OER
Counting on Coins
Students count coins. In this currency and mathematics lesson, students use skip counting to figure the value of a group of coins. Students use plastic replica coins and real coins.
Curated OER
Team Up
Students discover how to break into equal teams. In this dividing instructional activity, students break different numbers of people into equal groups. Students draw pictures to represent their division and discuss what to do when an...
EngageNY
Triangle Congruency Proofs (part 2)
Looking to challenge your students that have mastered basic triangle congruence proofs? A collection of proofs employ previously learned definitions, theorems, and properties. Pupils draw on their past experiences with proofs to...
Mathematics Vision Project
Module 4: Rational Functions
Time to study the most sensible function — rational functions! The seven-lesson unit develops the concept of a rational function through a connection to rational numbers and fractions. Scholars graph functions, solve equations, and...
EngageNY
Matrix Addition Is Commutative
Explore properties of addition as they relate to matrices. Using graphical representations of vector matrices, scholars test the commutative and associative properties of addition. They determine if the properties are consistent for...
Rational Number Project
Initial Fraction Ideas Lesson 18: Overview
Develop young mathematicians' ability to compare fractions with investigation into the number 1/2. After brainstorming a list of fractions equivalent to 1/2, children identify a pattern in the numerators and...
EngageNY
How Do Dilations Map Angles?
The key to understanding is making connections. Scholars explore angle dilations using properties of parallel lines. At completion, pupils prove that angles of a dilation preserve their original measure.
Rational Number Project
Rational Number Project: Initial Fraction Ideas
Deepen the fractional number sense of young learners with this introductory lesson on equivalent fractions. After completing a short warm-up activity, children go on to work in pairs using fraction circles to complete a table of...
EngageNY
Triangle Congruency Proofs (part 1)
Can they put it all together? Ninth graders apply what they know about proofs and triangle congruence to complete these proofs. These proofs go beyond the basic triangle congruence proofs and use various properties, theorems, and...
EngageNY
Linear and Exponential Models—Comparing Growth Rates
Does a linear or exponential model fit the data better? Guide your class through an exploration to answer this question. Pupils create an exponential and linear model for a data set and draw conclusions, based on predictions and the...
Math Centre UK
Fractions—Basic Ideas
What are fractions? Find out using a reference page and video that goes in depth on how to make fractions equivalent, write fractions in simplest form, convert improper fractions into mixed numbers, and vice versa. Following...
EngageNY
Base Angles of Isosceles Triangles
Build confidence in proofs by proving a known property. Pupils explore two approaches to proving base angles of isosceles triangles are congruent: transformations and SAS. They then apply their understanding of the proof to more complex...
Illustrative Mathematics
Tossing Cylinders
Everyone loves a lesson that involves throwing things around! To understand probability, your experimenters will predict how different cylinder-shaped objects will land when tossed. When the data is collected, they will calculate the...
EngageNY
Incredibly Useful Ratios
Start the exploration of trigonometry off right! Pupils build on their understanding of similarity in this instructional activity that introduces the three trigonometric ratios. They first learn to identify opposite and adjacent...
Houghton Mifflin Harcourt
Multiplication Properties and Division Rules
Practice multiplication and division with a worksheet about multiplication properties. After reviewing the commutative property, identity property, zero property, and associative property, kids solve ten multiplication and division...