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Step 1: Area of rectangle : 5 x 2 = 10 cm²
Step 2: Area of 1^st triangle : $\frac{\mathrm{}}{\mathrm{}}$ $\frac{1}{\mathrm{2 }}$cm²
Step 3: Area of 2^nd triangle :$\frac{\mathrm{}}{\mathrm{}}$ $\frac{1}{\mathrm{2 }}$cm²
Step 4: Total area of the figure : 10 + $\frac{1}{2}$ + $\frac{1}{2}$ = 11 cm²
Step 5: How many more squares left : 32 cm²- 11 cm² = 21

I must shade 21 more squares.

Step 1: Area of rectangle : 5 x 2 = 10 cm²
Step 2: Area of 1^st triangle : $\frac{\mathrm{}}{\mathrm{}}$ $\frac{1}{\mathrm{2 }}$cm²
Step 3: Area of 2^nd triangle :$\frac{\mathrm{}}{\mathrm{}}$ $\frac{1}{\mathrm{2 }}$cm²
Step 4: Total area of the figure : 10 + $\frac{1}{2}$ + $\frac{1}{2}$ = 11 cm²
Step 5: How many more squares left : 30 cm²- 11 cm² = 19

I must shade 19 more squares.

Step 1: Area of rectangle : 5 x 2 = 10 cm²
Step 2: Area of 1^st triangle : $\frac{\mathrm{}}{\mathrm{}}$ $\frac{1}{\mathrm{2 }}$cm²
Step 3: Area of 2^nd triangle :$\frac{\mathrm{}}{\mathrm{}}$ $\frac{1}{\mathrm{2 }}$cm²
Step 4: Total area of the figure : 10 + $\frac{1}{2}$ + $\frac{1}{2}$ = 11 cm²
Step 5: How many more squares left : 40 cm²- 11 cm² = 29

I must shade 29 more squares.

Step 1: Area of rectangle : 5 x 2 = 10 cm²
Step 2: Area of 1^st triangle : $\frac{\mathrm{}}{\mathrm{}}$ $\frac{1}{\mathrm{2 }}$cm²
Step 3: Area of 2^nd triangle :$\frac{\mathrm{}}{\mathrm{}}$ $\frac{1}{\mathrm{2 }}$cm²
Step 4: Total area of the figure : 10 + $\frac{1}{2}$ + $\frac{1}{2}$ = 11 cm²
Step 5: How many more squares left : 20 cm²- 11 cm² = 9

I must shade 9 more squares.

Step 1: Area of rectangle : 5 x 2 = 10 cm²
Step 2: Area of 1^st triangle : $\frac{\mathrm{}}{\mathrm{}}$ $\frac{1}{\mathrm{2 }}$cm²
Step 3: Area of 2^nd triangle :$\frac{\mathrm{}}{\mathrm{}}$ $\frac{1}{\mathrm{2 }}$cm²
Step 4: Total area of the figure : 10 + $\frac{1}{2}$ + $\frac{1}{2}$ = 11 cm²
Step 5: How many more squares left : 18 cm²- 11 cm² = 7

I must shade 7 more squares.

Step 1: Area of rectangle : 5 x 2 = 10 cm²
Step 2: Area of 1^st triangle : $\frac{\mathrm{}}{\mathrm{}}$ $\frac{1}{\mathrm{2 }}$cm²
Step 3: Area of 2^nd triangle :$\frac{\mathrm{}}{\mathrm{}}$ $\frac{1}{\mathrm{2 }}$cm²
Step 4: Total area of the figure : 10 + $\frac{1}{2}$ + $\frac{1}{2}$ = 11 cm²
Step 5: How many more squares left : 23 cm²- 11 cm² = 12

I must shade 12 more squares.

Step 1: Area of rectangle : 5 x 2 = 10 cm²
Step 2: Area of 1^st triangle : $\frac{\mathrm{}}{\mathrm{}}$ $\frac{1}{\mathrm{2 }}$cm²
Step 3: Area of 2^nd triangle :$\frac{\mathrm{}}{\mathrm{}}$ $\frac{1}{\mathrm{2 }}$cm²
Step 4: Total area of the figure : 10 + $\frac{1}{2}$ + $\frac{1}{2}$ = 11 cm²
Step 5: How many more squares left : 21 cm²- 11 cm² = 10

I must shade 10 more squares.

Step 1: Area of rectangle : 5 x 2 = 10 cm²
Step 2: Area of 1^st triangle : $\frac{\mathrm{}}{\mathrm{}}$ $\frac{1}{\mathrm{2 }}$cm²
Step 3: Area of 2^nd triangle :$\frac{\mathrm{}}{\mathrm{}}$ $\frac{1}{\mathrm{2 }}$cm²
Step 4: Total area of the figure : 10 + $\frac{1}{2}$ + $\frac{1}{2}$ = 11 cm²
Step 5: How many more squares left : 24 cm²- 11 cm² = 13

I must shade 13 more squares.

Step 1: Area of rectangle : 5 x 2 = 10 cm²
Step 2: Area of 1^st triangle : $\frac{\mathrm{}}{\mathrm{}}$ $\frac{1}{\mathrm{2 }}$cm²
Step 3: Area of 2^nd triangle :$\frac{\mathrm{}}{\mathrm{}}$ $\frac{1}{\mathrm{2 }}$cm²
Step 4: Total area of the figure : 10 + $\frac{1}{2}$ + $\frac{1}{2}$ = 11 cm²
Step 5: How many more squares left : 17 cm²- 11 cm² = 6

I must shade 6 more squares.

Step 1: Area of rectangle : 5 x 2 = 10 cm²
Step 2: Area of 1^st triangle : $\frac{\mathrm{}}{\mathrm{}}$ $\frac{1}{\mathrm{2 }}$cm²
Step 3: Area of 2^nd triangle :$\frac{\mathrm{}}{\mathrm{}}$ $\frac{1}{\mathrm{2 }}$cm²
Step 4: Total area of the figure : 10 + $\frac{1}{2}$ + $\frac{1}{2}$ = 11 cm²
Step 5: How many more squares left : 16 cm²- 11 cm² = 5

I must shade 5 more squares.