Curated OER
SuperKids Math Worksheet: Multiplication using 4 and values between 0 and 9
In this multiplication instructional activity, students solve 25 problems by providing correct computations illustrating their understanding of the concept.
Scholastic
Scholastic: Math Maven's Mysteries: The Big Top Carnival Caper
Help the Math Maven figure out how much money it will cost to give a balloon to every tenth person riding the Ferris wheel. Includes a PDF.
AAA Math
Aaa Math: Estimating a Sum by Rounding
Use rounding to estimate the answer to an addition problem in this online game. As you play the game, running totals of correct and incorrect answers and your score are displayed.
AAA Math
Aaa Math: Front End Estimation
Front-end estimation is explained and demonstrated with an online game at this AAA Math lesson.
University of Cambridge
University of Cambridge: Nrich: Round and Round the Circle
Learn multiplication with this dial star exercise. Predict what shapes you will get with different numbers.