Scroll:Fractions >> Model Approach >> 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)  

A family had 45 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:_______________




2)  

Apple wants to update 637 iPhones with the new iOS 7 in three days. On the 1st day, they managed to update 364 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:_______________




3)  

Naegi has $39 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:_______________




4)  

There are 840 fences to be painted in five days. 270 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)  

Chester sold 749 toy guns in 3 days. He sold 203 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:_______________




6)  

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:_______________




7)  

Apple wants to update 658 iPhones with the new iOS 7 in three days. On the 1st day, they managed to update 315 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:_______________




8)  

Naegi has $48 to be distributed among his three siblings. He gives $12 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)  

There are 630 fences to be painted in five days. 270 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)  

Chester sold 455 toy guns in 3 days. He sold 343 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:_______________




 

1)  

A family had 45 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: 24


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

Step 1: 45 - 5 = 40

Step 2: 5 units = 40

             1 unit = 40 ÷ 5

                       = 8

Step 3: 55 - 25 = 35

Step 4: 3 units = 8 x 3

                        = 24

They gave away 24 cupcakes.



2)  

Apple wants to update 637 iPhones with the new iOS 7 in three days. On the 1st day, they managed to update 364 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: 195


SOLUTION 1 :
637
 
 
 
 
 
 
 
 
 
 
 
 
Remainder
 
 
364 (1st Day)
 
 
2nd Day
 
 
3rd Day

Step 1: 637 - 364 = 273

Step 2: 7 units = 273

             1 unit = 273 ÷ 7

                       = 39

Step 3: 77 - 27 = 57

Step 4: 5 units = 39 x 5 

                        = 195

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



3)  

Naegi has $39 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: $7


SOLUTION 1 :
39
 
 
 
 
 
 
 
 
Remainder
 
 
18 (Kirigiri)
 
 
Makoto
 
 
Komaeda

Step 1: 39 - 18 = 21

Step 2: 3 units = 21

             1 unit = 21 ÷ 3

                       = 7

Step 3: 33 - 23 = 13

Step 4: 1 unit = 7 x 1 

                      = 7

Komaeda received $7.



4)  

There are 840 fences to be painted in five days. 270 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 :
840
 
 
 
 
 
 
 
 
Remainder
 
 
270 (First 3 days)
 
 
4th Day
 
 
5th Day

Step 1: 840 - 270 = 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)  

Chester sold 749 toy guns in 3 days. He sold 203 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: 312


SOLUTION 1 :
749
 
 
 
 
 
 
 
 
 
 
 
 
Remainder
 
 
203 (1st Day)
 
 
2nd Day
 
 
3rd Day

Step 1: 749 - 203 = 546

Step 2: 7 units = 546

             1 unit = 546 ÷ 7

                       = 78

Step 3: 77 - 37 = 47

Step 4: 4 units = 78 x 4 

                        = 312

He sold 312 toy guns on the third day.



6)  

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.



7)  

Apple wants to update 658 iPhones with the new iOS 7 in three days. On the 1st day, they managed to update 315 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: 245


SOLUTION 1 :
658
 
 
 
 
 
 
 
 
 
 
 
 
Remainder
 
 
315 (1st Day)
 
 
2nd Day
 
 
3rd Day

Step 1: 658 - 315 = 343

Step 2: 7 units = 343

             1 unit = 343 ÷ 7

                       = 49

Step 3: 77 - 27 = 57

Step 4: 5 units = 49 x 5 

                        = 245

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



8)  

Naegi has $48 to be distributed among his three siblings. He gives $12 to Kirigiri and then gives 23 of the remaining cash to Makoto. The rest were given to Komaeda. How much did Komaeda receive

Answer: $12


SOLUTION 1 :
48
 
 
 
 
 
 
 
 
Remainder
 
 
12 (Kirigiri)
 
 
Makoto
 
 
Komaeda

Step 1: 48 - 12 = 36

Step 2: 3 units = 36

             1 unit = 36 ÷ 3

                       = 12

Step 3: 33 - 23 = 13

Step 4: 1 unit = 12 x 1 

                      = 12

Komaeda received $12.



9)  

There are 630 fences to be painted in five days. 270 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: 240


SOLUTION 1 :
630
 
 
 
 
 
 
 
 
Remainder
 
 
270 (First 3 days)
 
 
4th Day
 
 
5th Day

Step 1: 630 - 270 = 360

Step 2: 3 units = 360

             1 unit = 360 ÷ 3

                       = 120

Step 3: 33 - 13 = 23

Step 4: 2 units = 120 x 2 

                        = 240

240 fences were painted on the fifth day.



10)  

Chester sold 455 toy guns in 3 days. He sold 343 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: 64


SOLUTION 1 :
455
 
 
 
 
 
 
 
 
 
 
 
 
Remainder
 
 
343 (1st Day)
 
 
2nd Day
 
 
3rd Day

Step 1: 455 - 343 = 112

Step 2: 7 units = 112

             1 unit = 112 ÷ 7

                       = 16

Step 3: 77 - 37 = 47

Step 4: 4 units = 16 x 4 

                        = 64

He sold 64 toy guns on the third day.