4.1 Sam's envelope (part 2)

Technology

Grade 4

My own pop-up card

Module 14

Sam’s envelope (part 2)

Activity 1 (continued from Module 13)

G Now make your envelope

Bring a used envelope to school. Open it carefully to see how it is constructed.

An opened envelope looks almost like a rhombus (a geometrical figure with four sides that are the same length). The only difference is that one corner is cut off and four notches are made to fold the envelope in.

Use all the processes (a - h).

Decide in advance how you will paste the envelope. (You can try it on blank A4 paper.)

You may adjust the measurements according to the following example:

a)

Place the square in front of you as shown above.

Write the letters a, b, c, d on the corners.

b)

Measure the distances as indicated and lightly draw the two horizontal lines.

c)

Measure the distances as indicated and lightly draw two vertical lines .

Number the corners 1,2,3,4.

Draw hard lines at a ,1; 1, b ; b ,2; 2, c ; c ,3 etc.

Make crosses to indicate the waste .

Draw small lines on lines 1,2; 2,3, etc. Use a sharp pencil to indicate the folds .

e)

Checkpoint

Come, show me.

Use a safety scissors to cut along lines a 1, b 1, b 2, c 2, etc.

Throw the small pieces into the wastebasket.

f)

Use a safety ruler and a sharp folder to flatten the folding lines.

Press the ruler down hard.

Be standing when you use the folder.

g)

First fold b to the inside, then a and lastly c .

Ask your teacher which points to cut off.

h)

Draw a fine line to show where you must apply glue.

Too much glue will press out and look untidy.

Rub all the corners and sides.

Assessment

LEARNING OUTCOME 1 : Technological Processes and Skills

The learner will be able to apply technological processes and skills ethically and responsibly using appropriate information and communication technologies.

Assessment Standard

We know this when the learner:

1.7 briefly outlines a plan for making, listing the main steps;

1.8 uses suitable tools and materials to make products by measuring, marking out, cutting simple forms in a variety of materials, and joining them, using a range of techniques;

1.9 works neatly and safely.