Sasi Math (Revised for 1024)

Scroll:Fractions >> Subtraction >> ps (3036)

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.

Tulasi has to deliver a certain amounts of pizza. $\frac{1}{11}$ of them have to be delivered to Hougang Avenue 1 and $\frac{4}{11}$ of the pizzas have to be delivered to Hougang Avenue 2. The rest of them have to be delivered to Hougang Avenue 3.

a) What fraction of the pizzas have to be delivered to Hougang Avenue 3 Express your answer in the simplest form.

b) 72 pizzas were given to Tulasi to delivered to Hougang Avenue 3. How many pizzas have to be delivered to Hougang Avenue 2

Answer:_______________

There are a certain number of pupils in a school. $\frac{3}{7}$ of them likes English and $\frac{2}{7}$ of them likes Math. The rest of them likes Science.

a) What fraction of the school likes Science Express your answer in the simplest form.

b) There are 434 pupils in the school. How many pupils likes Science

Answer:_______________

$\frac{2}{5}$ of a box of pastries are cupcakes. $\frac{1}{5}$ of the same box of pastries are muffins and the rest are pancakes. There are 234 pancakes.

a) What fraction of the box of pastries are pancakes Express your answer in the simplest form.

b) How many pastries are muffins

Answer:_______________

There are painted fences along the side of a road. $\frac{1}{12}$ of them are painted red. $\frac{5}{12}$ of them are painted purple, and the rest are painted yellow.

a) What fraction of the fences are painted yellow Express your answer in the simplest form.

b) If 504 of the fences are yellow, how many fences are there in all

Answer:_______________

Pugal spent $\frac{3}{6}$ of his money on a suit and $\frac{1}{6}$ of his money on some pie. He is left with $4960.

a) What fraction of his money did he have left Express your answer in the simplest form.

b) How much money did he spend on suit

$ ___

Answer:_______________

$\frac{1}{8}$ of a box of balloons are red. $\frac{3}{8}$ of the same box of balloons are blue and the rest are green. There are 436 green balloons.

a) What fraction of the balloons are green Express your answer in the simplest form.

b) How many balloons are blue

Answer:_______________

Ovini has to deliver a certain amounts of pizza. $\frac{1}{11}$ of them have to be delivered to Hougang Avenue 1 and $\frac{4}{11}$ of the pizzas have to be delivered to Hougang Avenue 2. The rest of them have to be delivered to Hougang Avenue 3.

a) What fraction of the pizzas have to be delivered to Hougang Avenue 3 Express your answer in the simplest form.

b) 90 pizzas were given to Ovini to delivered to Hougang Avenue 3. How many pizzas have to be delivered to Hougang Avenue 2

Answer:_______________

There are a certain number of pupils in a school. $\frac{3}{7}$ of them likes English and $\frac{2}{7}$ of them likes Math. The rest of them likes Science.

a) What fraction of the school likes Science Express your answer in the simplest form.

b) There are 336 pupils in the school. How many pupils likes Science

Answer:_______________

$\frac{2}{5}$ of a box of pastries are cupcakes. $\frac{1}{5}$ of the same box of pastries are muffins and the rest are pancakes. There are 432 pancakes.

a) What fraction of the box of pastries are pancakes Express your answer in the simplest form.

b) How many pastries are muffins

Answer:_______________

10)

There are painted fences along the side of a road. $\frac{1}{12}$ of them are painted red. $\frac{5}{12}$ of them are painted purple, and the rest are painted yellow.

a) What fraction of the fences are painted yellow Express your answer in the simplest form.

b) If 72 of the fences are yellow, how many fences are there in all

Answer:_______________

a) What fraction of the pizzas have to be delivered to Hougang Avenue 3 Express your answer in the simplest form.

Answer: $\frac{6}{11}$

b) 72 pizzas were given to Tulasi to delivered to Hougang Avenue 3. How many pizzas have to be delivered to Hougang Avenue 2

Answer: 48

SOLUTION 1 :

Ave. 1

Ave. 2

Ave. 3

a) Step 1: $\frac{1}{11}$ + $\frac{4}{11}$ = $\frac{5}{11}$

Step 2: $\frac{11}{11}$ - $\frac{5}{11}$ = $\frac{6}{11}$

$\frac{6}{11}$ of the pizzas have to be delivered to Hougang Avenue 3.

Step 3:	6 units	= 72
	1 unit	= 72 ÷ 6
		= 12
Step 4:	4 units	= 4 x 12
		= 48

48 pizzas have to be delivered to Hougang Avenue 2.

There are a certain number of pupils in a school. $\frac{3}{7}$ of them likes English and $\frac{2}{7}$ of them likes Math. The rest of them likes Science.

a) What fraction of the school likes Science Express your answer in the simplest form.

Answer: $\frac{2}{7}$

b) There are 434 pupils in the school. How many pupils likes Science

Answer: 124

SOLUTION 1 :

Pupils

English

Maths

Science

a) Step 1: $\frac{3}{7}$ + $\frac{2}{7}$ = $\frac{5}{7}$

Step 2: $\frac{7}{7}$ - $\frac{5}{7}$ = $\frac{2}{7}$

$\frac{2}{7}$ of the school like Science.

Step 3:	7 units	= 434
	1 unit	= 434 ÷ 7
		= 62
Step 4:	2 unit	= 2 x 62
		= 124

124 pupils likes Science.

$\frac{2}{5}$ of a box of pastries are cupcakes. $\frac{1}{5}$ of the same box of pastries are muffins and the rest are pancakes. There are 234 pancakes.

a) What fraction of the box of pastries are pancakes Express your answer in the simplest form.

Answer: $\frac{2}{5}$

b) How many pastries are muffins

Answer: 117

SOLUTION 1 :

Cupcake

Muffin

Pancake

a) Step 1: $\frac{1 x 2}{3 x 2}$ + $\frac{1}{6}$ = $\frac{3}{6}$

= $\frac{1}{2}$

Step 2: 1 - $\frac{1}{2}$ = $\frac{1}{2}$

$\frac{1}{2}$ of pastries are pancakes.

Step 3: 3 units	= 234
Step 4: 1 unit	= 234 ÷ 3
	= 117

There are 117 muffins.

There are painted fences along the side of a road. $\frac{1}{12}$ of them are painted red. $\frac{5}{12}$ of them are painted purple, and the rest are painted yellow.

a) What fraction of the fences are painted yellow Express your answer in the simplest form.

Answer: $\frac{1}{2}$

b) If 504 of the fences are yellow, how many fences are there in all

Answer: 1008

SOLUTION 1 :

Red

Purple

Yellow

a) Step 1: $\frac{1}{12}$ + $\frac{5}{12}$ = $\frac{6}{12}$

Step 2: $\frac{12}{12}$ - $\frac{6}{12}$ = $\frac{6}{12}$

= $\frac{1}{2}$

$\frac{1}{2}$ of the fences were painted yellow.

Step 3:	6 units	= 504
	1 unit	= 504 ÷ 6
		= 84
Step 4:	12 units	= 12 x 84
		= 1008

There are 1008 fences in all.

Pugal spent $\frac{3}{6}$ of his money on a suit and $\frac{1}{6}$ of his money on some pie. He is left with $4960.

a) What fraction of his money did he have left Express your answer in the simplest form.

Answer: $\frac{1}{3}$

b) How much money did he spend on suit

Answer: $7440

SOLUTION 1 :

Pupils

Suit

Pie

Left

a) Step 1: $\frac{1 x 3}{2 x 3}$ - $\frac{1}{6}$ = $\frac{4}{6}$

= $\frac{2}{3}$

Step 2: 1 - $\frac{2}{3}$ = $\frac{1}{3}$

He left $\frac{1}{3}$ of his money.

Step 3:	2 units	= $4960
	1 unit	= $4960 ÷ 2
		= $2480
Step 4:	3 units	= 3 x $2480
		= $7440

He spend $7440 on suit.

$\frac{1}{8}$ of a box of balloons are red. $\frac{3}{8}$ of the same box of balloons are blue and the rest are green. There are 436 green balloons.

a) What fraction of the balloons are green Express your answer in the simplest form.

Answer: $\frac{1}{2}$

b) How many balloons are blue

Answer: 327

SOLUTION 1 :

Red

Blue

a) Step 1: $\frac{1}{8}$ + $\frac{3}{8}$ = $\frac{4}{8}$

Step 2: $\frac{8}{8}$ - $\frac{4}{8}$ = $\frac{4}{8}$

= $\frac{1}{2}$

$\frac{1}{2}$ of the balloons are green.

Step 3: 4 units	= 436
Step 4: 1 unit	= 436 ÷ 4
	= 109
Step 5: 3 units	= 3 x 109
	= 327

327 of the balloons are blue.

a) What fraction of the pizzas have to be delivered to Hougang Avenue 3 Express your answer in the simplest form.

Answer: $\frac{6}{11}$

b) 90 pizzas were given to Ovini to delivered to Hougang Avenue 3. How many pizzas have to be delivered to Hougang Avenue 2

Answer: 60

SOLUTION 1 :

Ave. 1

Ave. 2

Ave. 3

a) Step 1: $\frac{1}{11}$ + $\frac{4}{11}$ = $\frac{5}{11}$

Step 2: $\frac{11}{11}$ - $\frac{5}{11}$ = $\frac{6}{11}$

$\frac{6}{11}$ of the pizzas have to be delivered to Hougang Avenue 3.

Step 3:	6 units	= 90
	1 unit	= 90 ÷ 6
		= 15
Step 4:	4 units	= 4 x 15
		= 60

60 pizzas have to be delivered to Hougang Avenue 2.

There are a certain number of pupils in a school. $\frac{3}{7}$ of them likes English and $\frac{2}{7}$ of them likes Math. The rest of them likes Science.

a) What fraction of the school likes Science Express your answer in the simplest form.

Answer: $\frac{2}{7}$

b) There are 336 pupils in the school. How many pupils likes Science

Answer: 96

SOLUTION 1 :

Pupils

English

Maths

Science

a) Step 1: $\frac{3}{7}$ + $\frac{2}{7}$ = $\frac{5}{7}$

Step 2: $\frac{7}{7}$ - $\frac{5}{7}$ = $\frac{2}{7}$

$\frac{2}{7}$ of the school like Science.

Step 3:	7 units	= 336
	1 unit	= 336 ÷ 7
		= 48
Step 4:	2 unit	= 2 x 48
		= 96

96 pupils likes Science.

$\frac{2}{5}$ of a box of pastries are cupcakes. $\frac{1}{5}$ of the same box of pastries are muffins and the rest are pancakes. There are 432 pancakes.

a) What fraction of the box of pastries are pancakes Express your answer in the simplest form.

Answer: $\frac{2}{5}$

b) How many pastries are muffins

Answer: 216

SOLUTION 1 :

Cupcake

Muffin

Pancake

a) Step 1: $\frac{1 x 2}{3 x 2}$ + $\frac{1}{6}$ = $\frac{3}{6}$

= $\frac{1}{2}$

Step 2: 1 - $\frac{1}{2}$ = $\frac{1}{2}$

$\frac{1}{2}$ of pastries are pancakes.

Step 3: 3 units	= 432
Step 4: 1 unit	= 432 ÷ 3
	= 216

There are 216 muffins.

10)

There are painted fences along the side of a road. $\frac{1}{12}$ of them are painted red. $\frac{5}{12}$ of them are painted purple, and the rest are painted yellow.

a) What fraction of the fences are painted yellow Express your answer in the simplest form.

Answer: $\frac{1}{2}$

b) If 72 of the fences are yellow, how many fences are there in all

Answer: 144

SOLUTION 1 :

Red

Purple

Yellow

a) Step 1: $\frac{1}{12}$ + $\frac{5}{12}$ = $\frac{6}{12}$

Step 2: $\frac{12}{12}$ - $\frac{6}{12}$ = $\frac{6}{12}$

= $\frac{1}{2}$

$\frac{1}{2}$ of the fences were painted yellow.

Step 3:	6 units	= 72
	1 unit	= 72 ÷ 6
		= 12
Step 4:	12 units	= 12 x 12
		= 144

There are 144 fences in all.