For each Multiple Choice Question (MCQ), four options are given. One of them is the correct answer. Make your choice (1,2,3 or 4). Write your answers in the brackets provided..
For each Short Answer Question(SAQ) and Long Answer Question(LAQ), write your answers in the blanks provided.
Leave your answers in the simplest form or correct to two decimal places.
1)
How many more squares must I shade to get a figure with 36 cm²
Answer:_______________
2)
How many more squares must I shade to get a figure with 25 cm²
Answer:_______________
3)
How many more squares must I shade to get a figure with 24 cm²
Answer:_______________
4)
How many more squares must I shade to get a figure with 39 cm²
Answer:_______________
5)
How many more squares must I shade to get a figure with 14 cm²
Answer:_______________
6)
How many more squares must I shade to get a figure with 22 cm²
Answer:_______________
7)
How many more squares must I shade to get a figure with 30 cm²
Answer:_______________
8)
How many more squares must I shade to get a figure with 21 cm²
Answer:_______________
9)
How many more squares must I shade to get a figure with 31 cm²
Answer:_______________
10)
How many more squares must I shade to get a figure with 16 cm²
Answer:_______________
1)
How many more squares must I shade to get a figure with 36 cm²
Answer: 27
SOLUTION 1 :
Step 1: Total area of the figure : 8 cm2 + 1 cm2 = 9 cm2 Step 2: How many more squares left : 36 cm2 - 9 cm2 = 27
I must shade 27 more squares.
2)
How many more squares must I shade to get a figure with 25 cm²
Answer: 16
SOLUTION 1 :
Step 1: Total area of the figure : 8 cm2 + 1 cm2 = 9 cm2 Step 2: How many more squares left : 25 cm2 - 9 cm2 = 16
I must shade 16 more squares.
3)
How many more squares must I shade to get a figure with 24 cm²
Answer: 15
SOLUTION 1 :
Step 1: Total area of the figure : 8 cm2 + 1 cm2 = 9 cm2 Step 2: How many more squares left : 24 cm2 - 9 cm2 = 15
I must shade 15 more squares.
4)
How many more squares must I shade to get a figure with 39 cm²
Answer: 30
SOLUTION 1 :
Step 1: Total area of the figure : 8 cm2 + 1 cm2 = 9 cm2 Step 2: How many more squares left : 39 cm2 - 9 cm2 = 30
I must shade 30 more squares.
5)
How many more squares must I shade to get a figure with 14 cm²
Answer: 5
SOLUTION 1 :
Step 1: Total area of the figure : 8 cm2 + 1 cm2 = 9 cm2 Step 2: How many more squares left : 14 cm2 - 9 cm2 = 5
I must shade 5 more squares.
6)
How many more squares must I shade to get a figure with 22 cm²
Answer: 13
SOLUTION 1 :
Step 1: Total area of the figure : 8 cm2 + 1 cm2 = 9 cm2 Step 2: How many more squares left : 22 cm2 - 9 cm2 = 13
I must shade 13 more squares.
7)
How many more squares must I shade to get a figure with 30 cm²
Answer: 21
SOLUTION 1 :
Step 1: Total area of the figure : 8 cm2 + 1 cm2 = 9 cm2 Step 2: How many more squares left : 30 cm2 - 9 cm2 = 21
I must shade 21 more squares.
8)
How many more squares must I shade to get a figure with 21 cm²
Answer: 12
SOLUTION 1 :
Step 1: Total area of the figure : 8 cm2 + 1 cm2 = 9 cm2 Step 2: How many more squares left : 21 cm2 - 9 cm2 = 12
I must shade 12 more squares.
9)
How many more squares must I shade to get a figure with 31 cm²
Answer: 22
SOLUTION 1 :
Step 1: Total area of the figure : 8 cm2 + 1 cm2 = 9 cm2 Step 2: How many more squares left : 31 cm2 - 9 cm2 = 22
I must shade 22 more squares.
10)
How many more squares must I shade to get a figure with 16 cm²
Answer: 7
SOLUTION 1 :
Step 1: Total area of the figure : 8 cm2 + 1 cm2 = 9 cm2 Step 2: How many more squares left : 16 cm2 - 9 cm2 = 7
