EngageNY
Using Matrix Operations for Encryption
Data encryption is an important security measure for sensitive data stored on computers. Pupils learn how to utilize matrices for creating code. They also get a great review of matrix multiplication, inverse matrices, and the identity...
Curated OER
Ratios, Rates, Percent and Nutrition
Examine food labels to determine percentage of fat and sugar to total calories with middle schoolers. Daily nutritional guidelines are discussed and learners will decide how well their foods fit into a healthy diet. In the provided...
Illustrative Mathematics
Equality Number Sentences
Understanding the concept of equality is fundamental to the success of young mathematicians. To explore this basic idea, children compare the dots arranged in pairs of rectangles in order to determine whether or not they contain an equal...
Curated OER
Conditional Probability and Probability of Simultaneous Events
Your statisticians examine the characteristics of conditional probability and the probability of simultaneous independent events. They perform computer activities to find probabilities for simple compound events. They examine the...
Curated OER
Children's Literature Across the Curriculum Ideas-Miss Spider's New Car
Students read Miss Spider's New Car by David Kirk. They complete a variety of cross-curricular activities surrounding the study of spiders. Included are reading, art, math, science, writing, social studies, and library connections.
Curated OER
Dolphins And Penguins
Students participate in an activity that reinforces vertical addition sentences as well as provides facts about penguins. They assess a kinesthetic/visual activity to reinforce the difference between vertical and horizontal addition...
Curated OER
Growing Up
Learners solve a given problem and explain their thinking using two number sentences to match their answer. One number sentence must use addition, one must use multiplication, and students must explain their answers. Includes sample...
Curated OER
Subtraction Problems
First graders complete subtraction problems on a worksheet that emphasizes taking away members of a group. This is a basic math lesson emphasizing the technique of subtraction.The worksheet mentioned in the plan is not provided.
Alabama Learning Exchange
Fun with Problem Solving
Using a varity of strategies, young mathematicians solve multistep word problems. They play a logic game as a whole group, and then work with a partner on a computer to complete a worksheet that requires a variety of problem solving...
Curated OER
You Are What You Eat!
Fourth graders discover the nutritional needs of their bodies. Using a database, they research how nutrition affects their learning capabilities. They take the food they eat on a daily basis and discover its nutritional value. They...
Curated OER
Students' Strides
Complete problems using base ten blocks to see the difference in the place value of a decimal and how it affects a number's value. Learners compare decimal values as well. Ample time for discussion and modeling are allowed in the...
Curated OER
Exploring the Hudson in 1609
While this instructional activity focuses on a study of the Hudson River, it could be used as a template for a discussion of map skills, converting measurements, and plotting a route. The instructional activity includes vocabulary and...
Curated OER
Conditional Probability and Probability of Simultaneous Events
Pupils explore the concept of conditional probability and probability of simultaneous events. In this conditional probability and probability of simultaneous events lesson, students roll dice or use and applet to roll dice to determine...
Curated OER
Chart Trivia
Young scholars practice addition and subtraction problems and answer questions using greater than and less than. They chart information to create a graph on the computer.
Curated OER
Beary Good Problem Solvers
First graders role-play addition and subtraction operations with teddy bears. They practice with the bears first, then write and solve the problems.
Pennsylvania Department of Education
Seeing Doubles
Pupils work with dominoes to recognize the number of spots on each side as they relate to addition facts. In this seeing doubles lesson, students make triangle shaped flash cards for the double facts. Pupils represent the correct...
Curated OER
Grade 2: Texas Problem Solving
Second graders use numerical data about Texas to write and solve real-life problems involving addition and subtraction (or multiplication and division). They work in pairs to choose three numerical facts about Texas to use to make up...
Curated OER
Miles Of Smiles
Young scholars investigate basic mathematical properties to solve multiplication and division problems. They solve word problems that are part of the lesson. Students are required to give written or oral justification for how they solve...
Curated OER
Adding Ten Tiles I
Students practice this problem that needs a certain amount of experimentation (trial and error) to get any answer at all. In the process they practice their basic number facts. However, to get the complete set of answers Students need to...
Curated OER
Disappearing Magic Factors
Students identify, through the number of rows and columns, the factors related to the product. In turn, they also discover how to find the missing factor, which is part of the fact family for that product.
Curated OER
Word Problem: How Much More?
Second graders solve a subtraction word problem. In this subtraction lesson, 2nd graders solve a word problem asking "How much more?" by using the relationship between subtraction and addition.
Curated OER
Number Jump
Students practice addition and subtraction skills while practicing jumping rope. They must jump rope using a variety of basic rope jumping skills and add and subtract in their heads.
Curated OER
Speed + Graphing = Winners!
Fifth graders take addition timed tests every day for a two week period. Using the data from the timed tests, they create a bar graph using Microsoft Excel computer software, a personal bar graph using graph paper and colored pencils,...
Curated OER
Multiplicative Sequences
Students investigate the concepts related to the practice of multiplication facts. They look for number patterns in order to create an algorithm in order to find the correct sequencing of number patterning. The solutions are then...