Grade7_dressmaking_Perform simple calculations.pptx

For Grade7 learners only

1. Perform simple calculations

2. FORMULA IN CONVERTING INCHES TO CENTIMETERS Cm = N x 2.54 Example: N=5 Cm = 5 x 2.54 Cm = 12.7 or 12.7cm

3. METRIC CONVERSION CHART FOR FABRIC SEWING ¼ INCH = 0.635 cm 1/2 Inch = 1.27 cm 3/4 Inch = 1.905 cm 1 Inch = 2.54 cm 2 Inches = ? 2.5 Inches = ? 3 Inches = ? 3.5 Inches = ? 4 Inches = ? 4.5 Inches = ?

4. CONVERT THE FOLLOWING INTO Centimeters 1. 5 Inches = 2. 5.5 Inches = 3. 6 Inches = 4. 6.5 Inches = 5. 7 Inches = 6. 7 .5 Inches = 7. 8 Inches = 8. 8.5 Inches = 9 . 9 Inches = 10 . 9.5 Inches =

5. To convert any fraction to decimal form, we just need to divide the numerator by the denominator. Here the fraction is 3/4 which means we need to divide: 3 ÷ 4. Therefore, 3/4 =  0.75 .

6. Formula for converting Centimeters to Inches

7. Formula for converting inches to centimeters

8. Solve for the following metric and english conversions