Interactive
Scholastic

Study Jams! Estimate Whole Numbers

For Teachers 2nd - 4th Standards
Expand on prior knowledge of place value to teach your class how to round whole numbers. This essential skill is explained with the help of a number line before introducing the explicit rules for rounding numbers up and down. Work...
Assessment
Concord Consortium

Fermi Time

For Students 9th - 12th Standards
It's all just a matter of time. The resource provides four Fermi questions in reference to time. The questions are open-ended and require classmates to make use of estimation and dimensional analysis.
Worksheet
Curated OER

Rounding Numbers

For Students 7th - 8th
In this pre-algebra worksheet, students round 6 whole numbers to the underlined place. They round to an indicated place value in 6 problems. Students round to the underlined place value in 6 decimal numbers. They round to the given place...
Lesson Plan
Curated OER

How Many Stars in the Milky Way?

For Teachers 8th - 11th
Students perform an experiment in which they will use a statistical method called `sampling' to count to a billion (and beyond). Students practice sampling by estimating the number of characters on a page from the classified section of a...
Handout
K12 Reader

5th Grade Master Spelling List

For Students 4th - 5th Standards
Here's a spelling program that includes 36 lists of 21 words and 20 suggestions for weekly activities. Each list includes common and proper nouns, sight words, academic vocabulary, and words built on a specific Greek roots.
Worksheet
Curated OER

Percent of Change

For Students 8th - 10th
In this algebra worksheet, students convert between percents and decimals. They calculate sales tax, discounts and relative errors. There are 4 questions with an answer key.
Lesson Plan
Curated OER

The Meaning of Whole Numbers

For Teachers 4th - 8th
In this whole numbers worksheet, students fill in different charts asking about the place value of various whole numbers. Students complete 8 problems.