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Bring some fun to simplifying fraction with this set of two instructional powerpoints and five self-checking math riddles.

**For a peek at the materials in this set, please download the preview file – it is a zip file that contains a .pdf overview of the materials in this product and a .pps of select slides that will show how the animations in the two ppts work. **

The two powerpoints in this set feature ninja guides who will lead your students through the process of simplifying fractions, presenting visual models and vocabulary that will help your students become proficient in their understanding of fractional relationships. Extend your students’ practice (or assess their mastery of fraction concepts) with the five self-checking math riddle worksheets. With these resources, your students will grow stronger in their ability to evaluate fractions.

Common Core State Standards for Mathematics addressed:

**Number and Operations – Fractions (3.NF, 4.NF) **

• Understand two fractions as equivalent (equal) if they are the same size, or the same point on a number line. (3.NF.3a)

• Recognize and generate simple equivalent fractions (e.g., 1/2 = 2/4, 4/6 = 2/3). Explain why the fractions are equivalent, e.g., by using a visual fraction model. (3.NF.3b)

• Explain why a fraction a/b is equivalent to a fraction (n × a)/(n × b) by using visual fraction models, with attention to how the number and size of the parts differ even though the two fractions themselves are the same size. Use this principle to recognize and generate equivalent fractions. (4.NF.1)

Included:

• two instructional powerpoint presentations

• two page-sized graphic reference sheets

• five self-checking math riddles (with keys)

There are two powerpoints presentations – Fraction Attack and Fraction Attack II. They address slightly different topics and are designed to be shown in order – not in the same class period, but perhaps in consecutive class periods.

Each of the powerpoints’ slides have animations that are set up to occur on their own, with ninja characters explaining the various concepts in each slide. When the animations on a given slide are done, a small arrow will appear in the upper right corner of the screen to signal that you can advance the slide. You may decide to use this time as an opportunity to have students share about the concepts on the slide before advancing to the next slide.

Some of the slides are designed to be interactive, with the students being presented with a question to discuss and answer. At each of these points, a small question mark will appear in the upper right corner, and the animations will stop, allowing your students to discuss and respond to the question(s) on the screen. When you students are ready, you can then advance the slide to the next animation.

The first powerpoint is 14 slides long and uses visual models (both a circle model and a number line model) to help your students see what it looks like when a given fraction (six-tenths, for instance) is simplified or reduced to lowest terms. A series of slides then model how numeric fractions are reduced by using division and a fraction equal to one whole. The students are presented with a variety of numbers – three proper fractions, one improper fraction, and one mixed number – so they can see how the procedure of dividing by a fraction equal to one whole is the same for different types of fractions.

The second powerpoint – consisting of twenty-five slides – revisits the concept of simplifying, with a focus on the use of greatest common factor to simplify fractions and mixed numbers. It reviews what factors are and presents a number of examples of how to find the factors of given numbers. Then the students are shown how to find the greatest common factor of the numerator and denominator of a particular fraction or mixed number (with proper & improper fractions and mixed numbers presented) and how to use the GCF to simplify given numbers. For each concept, there are slides that model the procedure at hand and then slides that are more interactive, allowing students to practice (in their journals, through discussion at their tables) and respond. The presentation wraps up with a series of slides that present students with six numbers for which they need to find the GCF and then simplify.

Along with the ppt presentations, there are two sets of printables – two journal inserts and five self-checking riddles. The journal inserts are full-page reference sheets that students can fold in half and glue inside their journals. The five self-checking math riddles (with keys included) address concepts related to simplifying fractions. The first two riddles correlate with the concepts in the first powerpoint, the second two riddles can be used as a follow-up the second powerpoint, and the fifth riddle is summative, providing practice with simplifying fractions and mixed numbers.

For more practice with simplifying fractions, check out the other ninja-themed products I have available –

**Simply Ninjas – equivalent fractions, simplifying fractions games + resources**

Ninja Numbers - simplifying fractions task cards + printables set

You can also purchase all of the above resources, and save over 25%, in this one bundle –

**Stealthy Simplifying - all-in-one simplifying fractions bundle**

I hope your students enjoy these resources and build their proficiency with evaluating fractional relationships. – Dennis McDonald

The two powerpoints in this set feature ninja guides who will lead your students through the process of simplifying fractions, presenting visual models and vocabulary that will help your students become proficient in their understanding of fractional relationships. Extend your students’ practice (or assess their mastery of fraction concepts) with the five self-checking math riddle worksheets. With these resources, your students will grow stronger in their ability to evaluate fractions.

Common Core State Standards for Mathematics addressed:

• Understand two fractions as equivalent (equal) if they are the same size, or the same point on a number line. (3.NF.3a)

• Recognize and generate simple equivalent fractions (e.g., 1/2 = 2/4, 4/6 = 2/3). Explain why the fractions are equivalent, e.g., by using a visual fraction model. (3.NF.3b)

• Explain why a fraction a/b is equivalent to a fraction (n × a)/(n × b) by using visual fraction models, with attention to how the number and size of the parts differ even though the two fractions themselves are the same size. Use this principle to recognize and generate equivalent fractions. (4.NF.1)

Included:

• two instructional powerpoint presentations

• two page-sized graphic reference sheets

• five self-checking math riddles (with keys)

There are two powerpoints presentations – Fraction Attack and Fraction Attack II. They address slightly different topics and are designed to be shown in order – not in the same class period, but perhaps in consecutive class periods.

Each of the powerpoints’ slides have animations that are set up to occur on their own, with ninja characters explaining the various concepts in each slide. When the animations on a given slide are done, a small arrow will appear in the upper right corner of the screen to signal that you can advance the slide. You may decide to use this time as an opportunity to have students share about the concepts on the slide before advancing to the next slide.

Some of the slides are designed to be interactive, with the students being presented with a question to discuss and answer. At each of these points, a small question mark will appear in the upper right corner, and the animations will stop, allowing your students to discuss and respond to the question(s) on the screen. When you students are ready, you can then advance the slide to the next animation.

The first powerpoint is 14 slides long and uses visual models (both a circle model and a number line model) to help your students see what it looks like when a given fraction (six-tenths, for instance) is simplified or reduced to lowest terms. A series of slides then model how numeric fractions are reduced by using division and a fraction equal to one whole. The students are presented with a variety of numbers – three proper fractions, one improper fraction, and one mixed number – so they can see how the procedure of dividing by a fraction equal to one whole is the same for different types of fractions.

The second powerpoint – consisting of twenty-five slides – revisits the concept of simplifying, with a focus on the use of greatest common factor to simplify fractions and mixed numbers. It reviews what factors are and presents a number of examples of how to find the factors of given numbers. Then the students are shown how to find the greatest common factor of the numerator and denominator of a particular fraction or mixed number (with proper & improper fractions and mixed numbers presented) and how to use the GCF to simplify given numbers. For each concept, there are slides that model the procedure at hand and then slides that are more interactive, allowing students to practice (in their journals, through discussion at their tables) and respond. The presentation wraps up with a series of slides that present students with six numbers for which they need to find the GCF and then simplify.

Along with the ppt presentations, there are two sets of printables – two journal inserts and five self-checking riddles. The journal inserts are full-page reference sheets that students can fold in half and glue inside their journals. The five self-checking math riddles (with keys included) address concepts related to simplifying fractions. The first two riddles correlate with the concepts in the first powerpoint, the second two riddles can be used as a follow-up the second powerpoint, and the fifth riddle is summative, providing practice with simplifying fractions and mixed numbers.

For more practice with simplifying fractions, check out the other ninja-themed products I have available –

Ninja Numbers - simplifying fractions task cards + printables set

You can also purchase all of the above resources, and save over 25%, in this one bundle –

I hope your students enjoy these resources and build their proficiency with evaluating fractional relationships. – Dennis McDonald

Total Pages

48 pages

Answer Key

Included

Teaching Duration

N/A

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