Illustrative Mathematics
Words to Expressions 1
Designed as a follow-up to the lesson plan titled Watch Out for Parenthesis 1, this activity asks young learners to write an equation for the calculation described with words rather than numbers and symbols. The treasure that 5th graders...
Illustrative Mathematics
Cynthia's Perfect Punch
Using a real-world example, this problem illustrates the thought process that learners need to engage in to understand adding mixed numbers with common denominators. First by looking at estimation, and then by drawing models that...
Illustrative Mathematics
Rectangle Perimeter 1
Creating an expression to represent the perimeter of a rectangle is a fundamental beginning skill in learning how to use and define variables. This activity starts with the basics and can be followed up with additional tasks.
Illustrative Mathematics
Rectangle Perimeter 3
This activity looks at writing expressions to represent perimeter of a rectangle and then considers the concept of equivalent expressions and the distributive property in more detail.
Curated OER
Trina's Triangles
Practice evaluating polynomial expressions at the same time you find Pythagorean Triples. Look for patterns and find examples when the "formula" does and doesn't work. Finally, verify the formula by proving the identity true.
Illustrative Mathematics
Make 9
Learning how numbers are put together as parts and wholes is a big step in building the foundational number sense of young mathematicians. Here, children are given a number less than 10 and are asked to find as many pairs of numbers as...
Curated OER
Homonyms Quiz
In this interactive grammar worksheet, students recognize similar words or homonyms. Students complete each of the twenty sentences with the proper word.
Curated OER
Commonly Confused Words - Quiz 15
In this confused words worksheet, students fill in the blanks to sentences by choosing the correct confusing word. Students complete 20 sentences.
Curated OER
Commonly Confused Words - Quiz 25
In this confused words worksheet, students fill in the blanks to sentences by choosing the correct confusing word. Students complete 20 sentences.
Curated OER
ESL: Homonyms Quiz #21
In this homonym quiz worksheet, students complete a total of 20 multiple choice questions, choosing the correct homonym to fill in blanks in sentences.
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