Gizmos' sixth-through-eighth grade lessons are aligned to several Common Core standards and are organized by content area: Number & Operations, Algebra, Geometry, Measurement, and Data Analysis & Probability. Many of these Gizmos connect math with real-world scenarios, while others use a straightforward approach with excellent graphics to model concepts. The Gizmos about data analysis and probability are particularly engaging. Try using a gizmo as a follow-up to your classroom instruction, viewing it first to find out what resources are available. Several gizmos come with a Student Exploration Sheet -- have kids complete the Prior Knowledge section with a partner. Then let them explore the Gizmo while completing the rest of the sheet. The assessment scores are tracked -- if possible, have kids complete these on their own after exploring the Gizmo.Continue reading Show less
Key Standards Supported
Expressions And Equations
Write, read, and evaluate expressions in which letters stand for numbers.
Understand that rewriting an expression in different forms in a problem context can shed light on the problem and how the quantities in it are related. For example, a + 0.05a = 1.05a means that “increase by 5%” is the same as “multiply by 1.05.”
Use numbers expressed in the form of a single digit times an integer power of 10 to estimate very large or very small quantities, and to express how many times as much one is than the other. For example, estimate the population of the United States as 3 × 108 and the population of the world as 7 × 109, and determine that the world population is more than 20 times larger.
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