K12 Reader
What’s Your Angle?
Start out with angles by asking your pupils to read this reading passage. Class members will learn about degrees, right angles, acute angles, and obtuse angles and then respond to five questions about the text.
Inside Mathematics
Archery
Put the better archer in a box. The performance task has pupils compare the performance of two archers using box-and-whisker plots. The resource includes sample responses that are useful in comparing individuals' work to others.
Houghton Mifflin Harcourt
Explore Customary Units of Length - Reteach 12.1
By now your class most likely has experience using a ruler, but they may not have learned to measure length to the quarter inch. This handout begins by explaining how, and then gives learners an opportunity to estimate these more...
Virginia Department of Education
How Many Triangles?
Something for young mathematicians to remember: the sum of any two sides must be greater than the third. Class members investigates the Triangle Inequality Theorem to find the relationship between the sides of a triangle. At the...
Virginia Department of Education
Surface Area of a Rectangular Prism
Wrap up a lesson on surface area with a resource that asks scholars to use the idea of wrapping paper to investigate surface area. They draw representations of rectangular prisms on graph paper to find the areas of the respective...
Inside Mathematics
Rhombuses
Just what does it take to show two rhombuses are similar? The assessment task asks pupils to develop an argument to show that given quadrilaterals are rhombuses. Class members also use their knowledge of similar triangles to show two...
Curated OER
Congruence: Practice
In this congruence learning exercise, students trace figures, measure sides and angles, mark congruent sides and angles, then use a given diagram to answer questions and explain reasoning. Students also answer 2 test prep questions....
Inside Mathematics
Patterns in Prague
Designers in Prague are not diagonally challenged. The mini-assessment provides a complex pattern made from blocks. Individuals use the pattern to find the area and perimeter of the design. To find the perimeter, they use the Pythagorean...
Curated OER
Congruent Coloring
In this mathematics worksheet, 1st graders find the pairs of polygons that are congruent on the sheet. Then they color them the same color and use their ruler to check their selections.
Curated OER
New York State Testing Program Practice
In this standardized test preparation learning exercise, 8th graders solve several varying problems. This twelve page test preparation learning exercise asks students to show their work and explain how they arrived at their...
Math Mammoth
Volume Problems
In this volume problem instructional activity, learners determine the volume of various objects. They compare similar objects and determine the percent of increase and decrease of the surface area and volume. This one-page instructional...
Curated OER
Heavier or Lighter
Math comes alive in this interactive lesson, which prompts students to weigh small classroom-available items (erasers, pencils, rulers) as well as more obscure items that would need to be provided (a basket, a small toy car). Students...
Curated OER
Cylinder: Student Worksheet
Pairs of geometry whizzes work together to determine which of three differently shaped cylinders will have the greatest volume. Pupils cut out the three rectangles embedded in the plan, and tape them together to form a cylinder. From...
Curated OER
Inches and Feet
In this inches and feet worksheet, young scholars, with a partner, estimate and measure the answers to five word problems dealing with inches and feet.
Curated OER
My Metric System Smile
In this measurement worksheet, students measure their smile and the smiles of people in their group using centimeters and millimeters. Students combine their data with their classmates' data to analyze and write a brief conclusion.
Curated OER
Word Search Y1 Length
In this length word search learning exercise, students analyze 13 words in a word search that pertain to length. Students find these in a word search puzzle. Note: The words are more like adjectives than math terms: deep, shallow,...
Curated OER
Estimation and Approximation
In this estimation and approximation learning exercise, students estimate multiplication and division problems containing decimals. They measure given objects, determine the possible error, the lower bound and the upper bound. Students...
Curated OER
Dot's Dot
In this math estimation learning exercise, students estimate how many centimeters it is from each dot in a dot to dot puzzle. Students then use a ruler to measure exactly.
Curated OER
Angles
In this math learning exercise, students measure a series of angles. Then they measure the angles in the triangles and determine the sum of the angles.
Curated OER
Vertical Angles Exploration
In this vertical angles explorations worksheet, 10th graders solve and complete 6 different types of problems. First, they use a ruler and a protractor to measure the angles illustrated. Then, students complete the tables next to each...
Curated OER
Pounds and Ounces Reteach 18.3
In this pounds and ounces learning exercise, students estimate the weights of 4 common objects. Students then weigh each object on a balance scale and record the weights.
Curated OER
Classifying Triangles
In this classifying triangles worksheet, 10th graders solve 6 different problems related to the classification of triangles either by their angles or by their sides. First, they use a protractor and a ruler to draw triangles using the...
Curated OER
Classifying Triangles
In this classifying triangles worksheet, 10th graders solve 9 various problems that classify triangles into categories. First, they refer to the figure shown of an isosceles triangle with two line parallel. Then, students name the sides,...
Curated OER
Estimating Length
In this measurement in inches worksheet, students examine pictures and record how long they think each item is in inches.