Sasi Math (Revised for 1024)

Scroll:Problem solving and estimation >> Estimate to solve word problems >> mcq (3699)

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.

Nature's Best Water sells sparkling and plain bottled water. Since the company started, they have sold a total of 50,797 litres of bottled water. If they have sold 41,257 litres of plain bottled water, about how many litres of sparkling bottled water has the company sold Choose the better estimate.

1) 10,000
2) 110,000

( )

A team of engineers built a dam over a large river. In the process, they created a lake covering farmland and forest. The lake covers a total of 8,957 hectares. If the lake covers 1,520 hectares of farmland, about how many hectares of forest does it cover Choose the better estimate.

1) 7000
2) 2000

( )

Mr. Mays sells gems. He finds a diamond in Tokyo and buys it for 1,203. Then, he flies to Toronto and purchases a bigger diamond for the bargain price of 9,112. About how much does Mr. Mays spend on the two diamonds Choose the better estimate.

1) 6,000
2) 10,000

( )

A company built some new houses in About howard County, painting them with 3,025 litres of blue paint and 1,069 litres of white paint. About how many litres of paint did the company use Choose the better estimate.

1) 4,000
2) 14,000

( )

Ronald bought his condo for 55,081. A few years later, he sold it for 48,897 more. About how much did Ronald sell his condo for Choose the better estimate.

1) 110,000
2) 210,000

( )

Since he was hired, a chef has served 30,445 adults and 80,247 children. What is the total number of guests served Choose the better estimate.

1) 1,100,000
2) 110,000

( )

Tara bought her condo for 12,341. A few years later, she sold it for 57,887. About how much did Tara make by selling her condo Choose the better estimate.

1) 150,000
2) 50,000

( )

Sticklet Farms and Portnov Farms produce eggs. One has 92,625 hens, and the other has 64,186. About how many hens do the two farms have Choose the better estimate.

1) 1,500,000
2) 150,000

( )

Recently, the value of Lesley's pension decreased by 2,158. If her fund was worth 5,112 before, about how much is it worth now Choose the better estimate.

1) 13,000
2) 3,000

( )

10)

Scientists estimate there are a total of 7,504 parakeets living in a particular part of the rainforest. They also estimate that 3,644 of these parakeets are female. If they are correct, about how many male parakeets live in that part of the rainforest Choose the better estimate.

1) 40,000
2) 4,000

( )

1) 10,000
2) 110,000

Answer: 1

SOLUTION 1 :

Subtract the amount of plain bottled water from the total amount of water.

50,797 – 41,257 =

Round each number to the nearest ten thousand.

50,797 – 41,257 =
50,000 – 40,000 = 10,000

10,000 is the better estimate.

1) 2000
2) 7000

Answer: 2

SOLUTION 1 :

Subtract the amount of farmland covered from the total amount of land covered.

8,957 – 1,520 =

Round each number to the nearest thousand.

8,957 – 1,520 =
9,000 – 2,000 = 7,000

7,000 is the better estimate.

1) 6,000
2) 10,000

Answer: 2

SOLUTION 1 :

Add the money amounts.

1,203 + 9,112 =

Round each number to the nearest thousand.

1,203 + 9,112 =
1,000 + 9,000 = 10,000

10,000 is the better estimate.

1) 14,000
2) 4,000

Answer: 2

SOLUTION 1 :

Add the litres.

3,025 + 1,069 =

Round each number to the nearest thousand.

3,025 + 1,069 =
3,000 + 1,000 = 4,000

4,000 is the better estimate.

Ronald bought his condo for 55,081. A few years later, he sold it for 48,897 more. About how much did Ronald sell his condo for Choose the better estimate.

1) 210,000
2) 110,000

Answer: 2

SOLUTION 1 :

Add the rupees.

55,081 + 48,897 =

Round each number to the nearest ten thousand.

55,081 + 48,897 =
60,000 + 50,000 = 110,000

110,000 is the better estimate.

Since he was hired, a chef has served 30,445 adults and 80,247 children. What is the total number of guests served Choose the better estimate.

1) 110,000
2) 1,100,000

Answer: 2

SOLUTION 1 :

Add the number of adults and the number of children.

30,445 + 80,247 =

Round each number to the nearest ten thousand.

30,445 + 80,247 =
30,000 + 80,000 = 110,000

110,000 is the better estimate.

Tara bought her condo for 12,341. A few years later, she sold it for 57,887. About how much did Tara make by selling her condo Choose the better estimate.

1) 50,000
2) 150,000

Answer: 1

SOLUTION 1 :

Subtract the amount she paid for the condo from the amount it sold for.

57,887 – 12,341 =

Round each number to the nearest ten thousand.

57,887 – 12,341 =
60,000 – 10,000 = 50,000

50,000 is the better estimate.

Sticklet Farms and Portnov Farms produce eggs. One has 92,625 hens, and the other has 64,186. About how many hens do the two farms have Choose the better estimate.

1) 1,500,000
2) 150,000

Answer: 2

SOLUTION 1 :

Add the numbers of hens.

92,625 + 64,186 =

Round each number to the nearest ten thousand.

92,625 + 64,186 =
90,000 + 60,000 = 150,000

150,000 is the better estimate.

Recently, the value of Lesley's pension decreased by 2,158. If her fund was worth 5,112 before, about how much is it worth now Choose the better estimate.

1) 13,000
2) 3,000

Answer: 2

SOLUTION 1 :

Subtract the amount the fund decreased from the total amount.

5,112 – 2,158 =

Round each number to the nearest thousand.

5,112 – 2,158 =
5,000 – 2,000 = 3,000

3,000 is the better estimate.

10)

1) 40,000
2) 4,000

Answer: 2

SOLUTION 1 :

Subtract the number of female parakeets from the total number of parakeets.

7,504 – 3,644 =

Round each number to the nearest thousand.

7,504 – 3,644 =
8,000 – 4,000 = 4,000

4,000 is the better estimate.