Khan Academy
Khan Academy: Evaluate Expressions With Parentheses
Solve multi-step expressions with parentheses. Place parentheses in an expression to make the expression equivalent to a given number. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...
Khan Academy
Khan Academy: Translate Expressions With Parentheses
Practice changing expressions from words to math. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Illustrative Mathematics
Illustrative Mathematics: Words to Expressions 1
This problem allows students to see words that can describe the expression from part (c) of "5.OA Watch out for Parentheses." Additionally, the words (add, sum) and (product, multiply) are all strategically used so that the student can...
Khan Academy
Khan Academy: Write Fractions as Whole Numbers
Represent fractions as whole numbers and whole numbers as fractions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.CCSS.Math.Content.3.NF.A.3.c Express whole...
Harvey Mudd College
Mudd Math Fun Facts: Pascal's Triangle
This tutorial defines and and demonstrates Pascal's triangle.
CK-12 Foundation
Ck 12: Elem Math: Expressing the Time in Digits Using a Colon
[Free Registration/Login may be required to access all resource tools.] In this learning module, students are given the time in words and must record it in digits with a colon. Includes video demonstrating a sample problem [1:27] and a...
Alabama Learning Exchange
Alex: My Favorite Number
The activity allows students to review many of the number theory concepts. Students will pick a composite number write verbal expressions about the number, find the factors, prime factorization, list multiples, draw a cartoon character...
University of Cambridge
University of Cambridge: Nrich: Heads and Feet
Solve this problem about hens and sheep and practice your algebraic thinking all at the same time. A solution is provided at this one page website.