Illustrative Mathematics
Listing Fractions in Increasing Size
Increase the depth of your class's fractional number sense with this number-ordering activity. Given four fractions, each with different numerators and denominators, young learners are asked to place them in order from smallest to...
Flipped Math
Greatest Common Factor
Break it down to solve it. Learners watch a video on how to factor out the greatest common factor for algebraic expressions. They see how to use factoring and the zero product property to solve polynomial equation and practice their...
Curriculum Corner
Math Common Core Checklist for K-6
As the school year progresses, it can be challenging for teachers to keep track of the specific math standards they've covered and those that remain to be taught. This Common Core checklist solves this problem, providing educators with a...
Granite School District
1st Grade CCSS Math Vocabulary Word List
Provide first graders with the academic language they need to tackle the Common Core Math Standards with this comprehensive vocabulary list. Including three different displays for each word - one with only the word, one with the word and...
Curated OER
Number Sense and Numeration: Multiples, Factors and Square Roots
A great resource for any math teacher covering multiples, factors or square roots; this worksheet walks young mathematicians through the logic behind factoring and square roots with a systematic set of problems which gradually increase...
Common Core Sheets
Comparing Numerical Fractions (Same Numerator or Denominator)
Compare two fractions with like denominators or like numerators in an excellent skills practice worksheet. With 10 sets of worksheets, the packet uses numbers and visual models to help young mathematicians determine greater than, less...
Curated OER
Comparing Fractions with Like Numerators or Denominators
Two visual problems give mathematicians a chance to compare fractions with like denominators. They examine two pairs of shapes with portions filled in, adding the greater than, less than, or equal to symbol between each. The shape pairs...
Curated OER
Comparing Fractions with Like Numerators or Denominators
Compare fractions with these visual examples, all of which have like denominators. There are five pairs of shapes here with various portions shaded. Each pair is segmented into the same number of sections, so comparing is much simpler....
Curated OER
Adding Fractions With Like Denominators
Students investigate the concept of adding fractions with like denominators. They review how to combine the numerators. Students use cutouts to handle fractions that are hands on while comparing them to slices of pizza. They work...
Curated OER
Subtraction Fractions, Common Denominators
How many steps do you need to subtract fractions with common denominators? Thirty problems await your kids, all with outlined steps for easy solving. Some fractions need to be reduced, while others will be solved after one step. An...
Curated OER
Why the Common Core?
The Common Core: filling in the gaps and preparing for life beyond college
EngageNY
Connecting Graphical Representations and Numerical Summaries
Which graph belongs to which summary statistics? Class members build upon their knowledge of data displays and numerical summaries to connect the two. Pupils make connections between different graphical displays of the same data in the...
Scholastic
Study Jams! Add & Subtract with Common Denominators
RJ and Zoey are at camp and need to get back to the mess hall for lunch, but they don't know how far they have to walk. Help them figure out the distance while teaching young mathematicians how to add and subtract fractions with this...
Curated OER
Add Fractions With Like Denominators
In this adding fractions activity, students add up 2 fractions that have like denominators. There are 14 problems to complete.
Curated OER
Add Fractions With Like Denominators (C)
In this adding fractions activity, students add 2 numbers that have like denominators and unlike numerators. Students are required to complete 14 math problems.
Curated OER
Subtract Fractions With Like Denominators (I)
In this finding the differences of fractions with common denominators worksheet, students subtract the numerators, keep the same denominators, and reduce to lowest terms. Students solve 14 problems.
Curated OER
Greatest Common Factor
In this finding the greatest common factor quiz worksheet, students observe two numerals in each data set and solve. Students solve 10 problems.
Curated OER
Subtract Fractions With Like Denominators (C)
In this fractions worksheet, students solve 21 problems in which simple fractions with like denominators are subtracted. An example with hints is provided.
Curated OER
Add Fractions With Like Denominators (H)
For this fractions worksheet, students solve 12 problems in which simple fractions with like denominators are added. There is an example with directions.
Curated OER
Subtract Fractions With Like Denominators (E)
In this fractions worksheet, learners solve 24 problems in which fractions with like denominators are subtracted. An example is provided with hints.
Curated OER
The 3 R's of Common Denominators (Language)
Learners solve various word problems that deal with common denominators, and write the mathematical explanations they used to obtain the solutions.
Curated OER
Comparing Fractions
Young mathematicians compare two fractions with like denominators and then move to the next level to compare fractions with unlike denominators. They will first try to use mental math to make educated guesses. There are a few guidelines...
Curated OER
Adding Fractions
All of these fraction pairs have common denominators, so adding them up is a bit simpler. There are two examples demonstrating both a mixed number and reducing to simplest terms. Scholars add up 28 fraction pairs, simplifying when...
Curated OER
Discovering New Units
Students use Cuisenaire rods to explore common denominators. In this fractions lesson, students build Cuisenaire representations of fractions, then find their equivalent counterparts to find the common denominator.