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May 2013

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The ideas in this fraction lesson are taken from Math Mammoth Fractions 1 book. Only a few examples of each problem type are shown; you should make more problems of each kind for the student.

Measuring in inches
Free lesson plan from HomeschoolMath.net

Below you see four rulers that all measure in inches. They are NOT to scale but are bigger than normal rulers for illustrative purposes.   Tick-marks are:   every 1/2-inch: every 1/4-inch: every 1/8-inch: every 1/16-inch:

 

1. Find the

1 2

-inch mark, the 1

1 2

-inch mark, and the 2

1 2

-inch mark on all of the rulers above.

     You can label them.
 

 

2. Find the

1 4

-inch mark, the

3 4

-inch mark, the 1

1 4

-inch mark, the 1

3 4

-inch mark,

the 2

1 4

-inch mark, the 2

3 4

-inch mark, and the 3

1 4

-inch mark on three

    lowermost rulers above. You can label these.

 
3. (available in the book)

4. (available in the book)

5. Measure the following colored lines with the rulers given. If the end of the line does not fall exactly on a tick mark, then read the mark that is CLOSEST to the end of the line.

a.
b.
c.
j.
k.
l.

6. Measure the following lines using different rulers. Cut out the rulers from the bottom of this page.

a.  Using the 1/4-inch ruler: __________ in. Using the 1/8-inch ruler: __________ in. Using the 1/16-inch ruler: __________ in.

c.  Using the 1/4-inch ruler: __________ in. Using the 1/8-inch ruler: __________ in. Using the 1/16-inch ruler: __________ in.

e.  Using the 1/4-inch ruler: __________ in. Using the 1/8-inch ruler: __________ in. Using the 1/16-inch ruler: __________ in.

 

 

 You may cut out the following rulers.

 

 

7. Find six items in your home that you can measure with your ruler, and measure them.

a.  ______________________    ______ in.	b.  _______________________    ______ in.
c.  _______________________    ______ in.	d.  _______________________    ______ in.
e.  _______________________    ______ in.	f.  _______________________    ______ in.

8. It's time to put your fraction addition and subtraction skills to use with inches!

    a. (available in the book)
 

    b. (available in the book)
 

    c. Measure carefully the sides of this
        quadrilateral and find its perimeter.

 

   d. (available in the book)

---

The ideas in this fraction lesson are taken from Math Mammoth Fractions 1 book. Only a few examples of each problem type are shown; you should make more problems of each kind for the student.

Understanding fractions Fractional part of a group Mixed numbers Fractions to mixed number and vv. Adding like fractions Equivalent fractions Comparing fractions

Adding unlike fractions Adding mixed numbers Subtract mixed numbers 1 Subtract mixed numbers 2: renaming Measuring in inches Simplifying fractions

Multiply Fractions by a Whole Number Multiply Fractions by Fractions Multiplication and Area Simplify Before Multiplying Divide Fractions by Whole Number How Many Times Does It Fit? Reciprocal Numbers The Shortcut Dividing Mixed Numbers