Scroll:Fractions >> Subtraction >> ps (3081)


Written Instructions:

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)  

Apple wants to update 672 iPhones with the new iOS 7 in three days. On the 1st day, they managed to update 406 phones. On the 2nd day, they managed to update 27 of the remaining iPhones. How many more iPhones have to be updated on the 3rd day 


Answer:_______________




2)  

A family had 45 cupcakes. They ate 20 of them on Monday. On Tuesday, they ate 25 of the remainder. They gave away the rest of the cupcakes. How many cupcakes did they give away


Answer:_______________




3)  

Chester sold 749 toy guns in 3 days. He sold 105 toy guns on the first day. On the second day, he sold 37 of the remaining toy guns. How many toy guns did he sell on the third day


Answer:_______________




4)  

There are 780 fences to be painted in five days. 210 fences are painted in the first three days. On the fourth day, 13 of the remaining fences are painted. The rest are painted on the fifth day. How many fences were painted on the fifth day


Answer:_______________




5)  

Naegi has $33 to be distributed among his three siblings. He gives $18 to Kirigiri and then gives 23 of the remaining cash to Makoto. The rest were given to Komaeda. How much did Komaeda receive

$ ___


Answer:_______________




6)  

Apple wants to update 665 iPhones with the new iOS 7 in three days. On the 1st day, they managed to update 245 phones. On the 2nd day, they managed to update 27 of the remaining iPhones. How many more iPhones have to be updated on the 3rd day 


Answer:_______________




7)  

A family had 30 cupcakes. They ate 5 of them on Monday. On Tuesday, they ate 25 of the remainder. They gave away the rest of the cupcakes. How many cupcakes did they give away


Answer:_______________




8)  

Chester sold 518 toy guns in 3 days. He sold 252 toy guns on the first day. On the second day, he sold 37 of the remaining toy guns. How many toy guns did he sell on the third day


Answer:_______________




9)  

There are 570 fences to be painted in five days. 180 fences are painted in the first three days. On the fourth day, 13 of the remaining fences are painted. The rest are painted on the fifth day. How many fences were painted on the fifth day


Answer:_______________




10)  

Naegi has $33 to be distributed among his three siblings. He gives $6 to Kirigiri and then gives 23 of the remaining cash to Makoto. The rest were given to Komaeda. How much did Komaeda receive

$ ___


Answer:_______________




 

1)  

Apple wants to update 672 iPhones with the new iOS 7 in three days. On the 1st day, they managed to update 406 phones. On the 2nd day, they managed to update 27 of the remaining iPhones. How many more iPhones have to be updated on the 3rd day 

Answer: 190


SOLUTION 1 :
672
 
 
 
 
 
 
 
 
 
 
 
 
Remainder
 
 
406 (1st Day)
 
 
2nd Day
 
 
3rd Day

Step 1: 672 - 406 = 266

Step 2: 7 units = 266

             1 unit = 266 ÷ 7

                       = 38

Step 3: 77 - 27 = 57

Step 4: 5 units = 38 x 5 

                        = 190

190 more iPhones have to be updated on the 3rd day.



2)  

A family had 45 cupcakes. They ate 20 of them on Monday. On Tuesday, they ate 25 of the remainder. They gave away the rest of the cupcakes. How many cupcakes did they give away

Answer: 15


SOLUTION 1 :
45
 
 
 
 
 
 
 
 
 
 
Remainder
 
 
20 (Monday)
 
 
Tuesday
 
 
Given Away

Step 1: 45 - 20 = 25

Step 2: 5 units = 25

             1 unit = 25 ÷ 5

                       = 5

Step 3: 55 - 25 = 35

Step 4: 3 units = 5 x 3

                        = 15

They gave away 15 cupcakes.



3)  

Chester sold 749 toy guns in 3 days. He sold 105 toy guns on the first day. On the second day, he sold 37 of the remaining toy guns. How many toy guns did he sell on the third day

Answer: 368


SOLUTION 1 :
749
 
 
 
 
 
 
 
 
 
 
 
 
Remainder
 
 
105 (1st Day)
 
 
2nd Day
 
 
3rd Day

Step 1: 749 - 105 = 644

Step 2: 7 units = 644

             1 unit = 644 ÷ 7

                       = 92

Step 3: 77 - 37 = 47

Step 4: 4 units = 92 x 4 

                        = 368

He sold 368 toy guns on the third day.



4)  

There are 780 fences to be painted in five days. 210 fences are painted in the first three days. On the fourth day, 13 of the remaining fences are painted. The rest are painted on the fifth day. How many fences were painted on the fifth day

Answer: 380


SOLUTION 1 :
780
 
 
 
 
 
 
 
 
Remainder
 
 
210 (First 3 days)
 
 
4th Day
 
 
5th Day

Step 1: 780 - 210 = 570

Step 2: 3 units = 570

             1 unit = 570 ÷ 3

                       = 190

Step 3: 33 - 13 = 23

Step 4: 2 units = 190 x 2 

                        = 380

380 fences were painted on the fifth day.



5)  

Naegi has $33 to be distributed among his three siblings. He gives $18 to Kirigiri and then gives 23 of the remaining cash to Makoto. The rest were given to Komaeda. How much did Komaeda receive

Answer: $5


SOLUTION 1 :
33
 
 
 
 
 
 
 
 
Remainder
 
 
18 (Kirigiri)
 
 
Makoto
 
 
Komaeda

Step 1: 33 - 18 = 15

Step 2: 3 units = 15

             1 unit = 15 ÷ 3

                       = 5

Step 3: 33 - 23 = 13

Step 4: 1 unit = 5 x 1 

                      = 5

Komaeda received $5.



6)  

Apple wants to update 665 iPhones with the new iOS 7 in three days. On the 1st day, they managed to update 245 phones. On the 2nd day, they managed to update 27 of the remaining iPhones. How many more iPhones have to be updated on the 3rd day 

Answer: 300


SOLUTION 1 :
665
 
 
 
 
 
 
 
 
 
 
 
 
Remainder
 
 
245 (1st Day)
 
 
2nd Day
 
 
3rd Day

Step 1: 665 - 245 = 420

Step 2: 7 units = 420

             1 unit = 420 ÷ 7

                       = 60

Step 3: 77 - 27 = 57

Step 4: 5 units = 60 x 5 

                        = 300

300 more iPhones have to be updated on the 3rd day.



7)  

A family had 30 cupcakes. They ate 5 of them on Monday. On Tuesday, they ate 25 of the remainder. They gave away the rest of the cupcakes. How many cupcakes did they give away

Answer: 15


SOLUTION 1 :
30
 
 
 
 
 
 
 
 
 
 
Remainder
 
 
5 (Monday)
 
 
Tuesday
 
 
Given Away

Step 1: 30 - 5 = 25

Step 2: 5 units = 25

             1 unit = 25 ÷ 5

                       = 5

Step 3: 55 - 25 = 35

Step 4: 3 units = 5 x 3

                        = 15

They gave away 15 cupcakes.



8)  

Chester sold 518 toy guns in 3 days. He sold 252 toy guns on the first day. On the second day, he sold 37 of the remaining toy guns. How many toy guns did he sell on the third day

Answer: 152


SOLUTION 1 :
518
 
 
 
 
 
 
 
 
 
 
 
 
Remainder
 
 
252 (1st Day)
 
 
2nd Day
 
 
3rd Day

Step 1: 518 - 252 = 266

Step 2: 7 units = 266

             1 unit = 266 ÷ 7

                       = 38

Step 3: 77 - 37 = 47

Step 4: 4 units = 38 x 4 

                        = 152

He sold 152 toy guns on the third day.



9)  

There are 570 fences to be painted in five days. 180 fences are painted in the first three days. On the fourth day, 13 of the remaining fences are painted. The rest are painted on the fifth day. How many fences were painted on the fifth day

Answer: 260


SOLUTION 1 :
570
 
 
 
 
 
 
 
 
Remainder
 
 
180 (First 3 days)
 
 
4th Day
 
 
5th Day

Step 1: 570 - 180 = 390

Step 2: 3 units = 390

             1 unit = 390 ÷ 3

                       = 130

Step 3: 33 - 13 = 23

Step 4: 2 units = 130 x 2 

                        = 260

260 fences were painted on the fifth day.



10)  

Naegi has $33 to be distributed among his three siblings. He gives $6 to Kirigiri and then gives 23 of the remaining cash to Makoto. The rest were given to Komaeda. How much did Komaeda receive

Answer: $9


SOLUTION 1 :
33
 
 
 
 
 
 
 
 
Remainder
 
 
6 (Kirigiri)
 
 
Makoto
 
 
Komaeda

Step 1: 33 - 6 = 27

Step 2: 3 units = 27

             1 unit = 27 ÷ 3

                       = 9

Step 3: 33 - 23 = 13

Step 4: 1 unit = 9 x 1 

                      = 9

Komaeda received $9.