Curated OER
Math/Technology: Height Measurement
Third graders, using technology tools, determine the total height of their classmates in both inches and centimeters. Once the measurements are taken, they enter the results in the Excel file. Once students have prepared a KidPix number...
Common Core Sheets
Common Core Sheets: Number and Operations in Base Ten 5.nbt.7 Worksheets
Teachers can assess students' knowledge of adding, subtracting, multiplying, and dividing decimals to hundredths with these printable worksheets. You can even create your own worksheet or flashcards.
National Council of Teachers of Mathematics
Nctm: Illuminations: Dynamic Paper
Need a pentagonal pyramid that's six inches tall? Or a number line that goes from -18 to 32 by 5's? You can create all those things and more.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Number Line
Find a quick, concise explanation of a number line. Several examples are given and clearly explained.