New Zealand Ministry of Education
Addition and Subtraction Pick n Mix
Teach your class how to mentally solve whole number addition and subtraction problems using compensation from tidy numbers including equal additions. They use appropriate recording techniques and predict the usefulness of strategies for...
Mascil Project
Drug Concentration
Different medications leave the body at different rates, and how people take them determines their effectiveness. Learners investigate this effectiveness by charting the concentration of a given medication in the body. Using exponential...
American Psychological Association
A Silent National Crisis: Violence Against Teachers
School violence is becoming an epidemic in America. How can schools protect their teachers—and teach them how to protect their students? Read an important brochure about how violence affects teachers personally, emotionally, financially,...
Curated OER
The Part-Adder 2
Third graders use mental-math strategies to solve two-digit plus two-digit addition problems. They observe and discuss online demonstrations, solve word problems as a class, and independently solve problems and describe their solutions...
Curated OER
Decimal Fractions
Students use rounding and compensating with whole numbers and explain how to use the empty number line to show additions and subtractions. They round and compensate in relation to decimal subtraction
Background
Curated OER
Inflation and Unemployment
Students explore the role of government in the economy market. In this economics lesson, students analyze the decision making and how it takes into consideration additional cost, benefits and public awareness of what they are trying to...
Curated OER
The Part-adder 1
Second graders investigate the addition of whole numbers. They mentally perform calculations involving addition and subtraction. They make sensible estimates and check the reasonableness of answers.
Curated OER
Addition and Subtraction Pick n Mix 2
Fourth graders practice a wide range of strategies for solving addition and subtraction problems containing decimal fractions. They add and subtract fractions, decimals and integers while generalizing the properties of operations with...
Curated OER
What is Radon?
Students read an article about radon and its properties. They examine a periodic table and identify the numbers surrounding an element. They discuss the harmful and helpful effects of radiation.
Curated OER
Steppin' Out: Using Inquiry to Challente Alexander's Stride Analysis
Students distinguish between walking, jogging and running trackways in humans. They analyze the phylogenetic progression of the leg position as described by pace width and angulation, comparing amphibians, reptiles and mammals. Research...