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.
Arcademics
Arcademics: Tandem Turtles
Multiplayer math game where turtle teams on skateboards race by rounding whole numbers to the nearest 10's place value.
Arcademics
Arcademics: Space Jaunt
Multiplayer math game where alien spaceships race by rounding whole numbers to the nearest 10's place value.
AAA Math
Aaa Math: Subtracting Decimals
This personal site explains how to subtract decimals of the tenths place value. Includes games to practice this skill.
ClassFlow
Class Flow: Everyday Math Gr5 1.1
[Free Registration/Login Required] This lesson was made to compliment Everyday Mathematics Grade 5, Lesson 1.1. It includes the poem, Arithmetic, math boxes with added materials, and High Number Toss math game.
Illustrative Mathematics
Illustrative Mathematics: Comparing Numbers
This task is a fun partner game in which students practice making two-digit numbers, decide which is greater, and write the appropriate comparison symbolically.
ClassFlow
Class Flow: Baseball Math Trivia
[Free Registration/Login Required] This flipchart reviews multiple math concepts in a baseball game format. It was created to be used as a daily math review (in place of calendar math) for a 2nd grade classroom.
Alabama Learning Exchange
Alex: Are Your Numbers Round?
Learners will use a variety of activities and games to learn how to round numbers.This lesson plan was created as a result of the Girls Engaged in Math and Science, GEMS Project funded by the Malone Family Foundation.