PBS
Working with Common Denominators: Assessments
Now that the practice is over, see if young mathematicians can utilize their new skills on finding common denominators and adding fractions. The assessment contains one map challenge and follows with skills practice.
PBS
Working with Common Denominators: Activities and Supplemental Materials
Enjoy these straightforward and simple learning exercise pages that practice with different denominators. The practice starts simple with adding fractions together and then works on a recipe that needs to be tripled.
EngageNY
Sums and Differences of Decimals
Sometimes dealing with decimals is so much easier than dealing with fractions. The ninth lesson in a 21-part module has the class consider situations when it might be easier to add or subtract fractions by first converting to decimals....