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)
I have three ribbons. One of the ribbons is 20 cm long and the other ribbon is 29 cm long. The total length of all 3 ribbons is 90cm. How long is the last ribbon
cm
Answer:_______________
2)
I have three ribbons. One of the ribbons is 20 cm long and the other ribbon is 30 cm long. The total length of all 3 ribbons is 66cm. How long is the last ribbon
cm
Answer:_______________
3)
I have three ribbons. One of the ribbons is 16 cm long and the other ribbon is 27 cm long. The total length of all 3 ribbons is 71cm. How long is the last ribbon
cm
Answer:_______________
4)
I have three ribbons. One of the ribbons is 10 cm long and the other ribbon is 29 cm long. The total length of all 3 ribbons is 99cm. How long is the last ribbon
cm
Answer:_______________
5)
I have three ribbons. One of the ribbons is 9 cm long and the other ribbon is 28 cm long. The total length of all 3 ribbons is 62cm. How long is the last ribbon
cm
Answer:_______________
6)
I have three ribbons. One of the ribbons is 18 cm long and the other ribbon is 16 cm long. The total length of all 3 ribbons is 72cm. How long is the last ribbon
cm
Answer:_______________
7)
I have three ribbons. One of the ribbons is 11 cm long and the other ribbon is 29 cm long. The total length of all 3 ribbons is 99cm. How long is the last ribbon
cm
Answer:_______________
8)
I have three ribbons. One of the ribbons is 13 cm long and the other ribbon is 21 cm long. The total length of all 3 ribbons is 68cm. How long is the last ribbon
cm
Answer:_______________
9)
I have three ribbons. One of the ribbons is 19 cm long and the other ribbon is 30 cm long. The total length of all 3 ribbons is 62cm. How long is the last ribbon
cm
Answer:_______________
10)
I have three ribbons. One of the ribbons is 12 cm long and the other ribbon is 29 cm long. The total length of all 3 ribbons is 86cm. How long is the last ribbon
cm
Answer:_______________
1)
I have three ribbons. One of the ribbons is 20 cm long and the other ribbon is 29 cm long. The total length of all 3 ribbons is 90cm. How long is the last ribbon
Answer: 41 cm
SOLUTION 1 :
Step 1: 20cm + 29cm = 49cm
Step 2: 90cm - 49cm = 41cm
2)
I have three ribbons. One of the ribbons is 20 cm long and the other ribbon is 30 cm long. The total length of all 3 ribbons is 66cm. How long is the last ribbon
Answer: 16 cm
SOLUTION 1 :
Step 1: 20cm + 30cm = 50cm
Step 2: 66cm - 50cm = 16cm
3)
I have three ribbons. One of the ribbons is 16 cm long and the other ribbon is 27 cm long. The total length of all 3 ribbons is 71cm. How long is the last ribbon
Answer: 28 cm
SOLUTION 1 :
Step 1: 16cm + 27cm = 43cm
Step 2: 71cm - 43cm = 28cm
4)
I have three ribbons. One of the ribbons is 10 cm long and the other ribbon is 29 cm long. The total length of all 3 ribbons is 99cm. How long is the last ribbon
Answer: 60 cm
SOLUTION 1 :
Step 1: 10cm + 29cm = 39cm
Step 2: 99cm - 39cm = 60cm
5)
I have three ribbons. One of the ribbons is 9 cm long and the other ribbon is 28 cm long. The total length of all 3 ribbons is 62cm. How long is the last ribbon
Answer: 25 cm
SOLUTION 1 :
Step 1: 9cm + 28cm = 37cm
Step 2: 62cm - 37cm = 25cm
6)
I have three ribbons. One of the ribbons is 18 cm long and the other ribbon is 16 cm long. The total length of all 3 ribbons is 72cm. How long is the last ribbon
Answer: 38 cm
SOLUTION 1 :
Step 1: 18cm + 16cm = 34cm
Step 2: 72cm - 34cm = 38cm
7)
I have three ribbons. One of the ribbons is 11 cm long and the other ribbon is 29 cm long. The total length of all 3 ribbons is 99cm. How long is the last ribbon
Answer: 59 cm
SOLUTION 1 :
Step 1: 11cm + 29cm = 40cm
Step 2: 99cm - 40cm = 59cm
8)
I have three ribbons. One of the ribbons is 13 cm long and the other ribbon is 21 cm long. The total length of all 3 ribbons is 68cm. How long is the last ribbon
Answer: 34 cm
SOLUTION 1 :
Step 1: 13cm + 21cm = 34cm
Step 2: 68cm - 34cm = 34cm
9)
I have three ribbons. One of the ribbons is 19 cm long and the other ribbon is 30 cm long. The total length of all 3 ribbons is 62cm. How long is the last ribbon
Answer: 13 cm
SOLUTION 1 :
Step 1: 19cm + 30cm = 49cm
Step 2: 62cm - 49cm = 13cm
10)
I have three ribbons. One of the ribbons is 12 cm long and the other ribbon is 29 cm long. The total length of all 3 ribbons is 86cm. How long is the last ribbon