Radio Shack 60-2642 ユーザーズマニュアル

1. Press ON/Mode to go to the Category Selection Menu.

2. Press 

 ENTER to start Activity 36. 

3. To select level (1, 2, or 3), press the settings button and 

set the level. To return to the activity, repeat steps 1 and 2.

4. A shape will appear with a question about the picture’s 

area.

5. Figure out the length, height, area, radius, or volume of 

the picture.

6. Type the answer and press ENTER.

Rectangle: Area=Length x Height
Triangle: Area=Length x Height / 2
Square: Area=Length x Height
Cylinder: Volume=(Radius x Radius x 3.14) x Height
Cube: Volume=Length x Width x Height

1. Press ON/Mode to go to the Category Selection Menu.

2. Press 

 ENTER to start Activity 37.

3. To select level (1, 2, or 3), press the settings button and 

set the level. To return to the activity, repeat steps 1 and 2.

•  Level 1: An incomplete fraction will appear on the screen. 

Count the blocks on the screen and type the correct 
number in the empty space.

•  Level 2: An equation consisting of mixed fractions will 

appear. Part of one of the fractions is missing. Figure 
out the number that makes the equation true. Type the 
number.

•  Level 3: Two fractions appear. Work the fractions and 

compare the results. Enter > (greater than), < (less than), 
or = (equal to) to complete the equation.

1. Press ON/Mode to go to the Category Selection Menu.

2. Press 

 ENTER to start Activity 38. 

3. To select level (1, 2, or 3), press the settings button and 

set the level. To return to the activity, repeat steps 1 and 2.

•  Level 1: A percentage question will appear on the screen. 

Count the blocks on the screen and fi gure out the correct 
percentage. Type the number.

•  Levels 2 and 3: If a decimal appears, type in the 

percentage corresponding to that decimal. If a percentage 
appears, type in the decimal corresponding to that 
percentage. 

1. Press ON/Mode to go to the Category Selection Menu.

2. Press 

  ENTER to start Activity 39. 

3. Two rows of blocks appear on the screen. Count them 

out.

4. Type in the missing ratio that makes the equation true.

1. Press ON/Mode to go to the Category Selection Menu.

2. Press 

  ENTER to start Activity 40. 

3. A mathematical word problem will appear. Use the right 

arrow key to make the problem scroll faster.

4. Use the up/down arrow keys or move the mouse to select 

the correct answer.

NOTE