How to find the part from the whole

Help Questions

SSAT Middle Level Quantitative › How to find the part from the whole

Questions 1 - 10
1

In March, there were 10 sunny days, 10 cloudy days, and 11 rainy days. How many days did it rain in March?

Explanation

Identify the number of rainy days in March: days

2

Round to the nearest tenth.

Explanation

When we round a number to the nearest tenth we look to the hundredths place to tell us if we round up or down.

If the number in our hundredths place is or greater, we round up. If the number in the hundredths place is or less, we round down. When we round up, the number in the hundredths place increases by and all the other numbers to the right become . When we round down, the number in the hundredths place stays the same and all the other numbers to the right become .

In this case, is greater than so our rounded number is or

3

Round to the nearest tenth.

Explanation

When we round a number to the nearest tenth we look to the hundredths place to tell us if we round up or down.

If the number in our hundredths place is or greater, we round up. If the number in the hundredths place is or less, we round down. When we round up, the number in the hundredths place increases by and all the other numbers to the right become . When we round down, the number in the hundredths place stays the same and all the other numbers to the right become .

In this case, is less than so our rounded number is or

4

Round to the nearest hundredth.

Explanation

When we round a number to the nearest hundredth we look to the thousandths place to tell us if we round up or down.

If the number in our thousandths place is or greater, we round up. If the number in the thousandths place is or less, we round down. When we round up, the number in the thousandths place increases by and all the other numbers to the right become . When we round down, the number in the thousandths place stays the same and all the other numbers to the right become .

In this case, is greater than so our rounded number is or

5

Julie gets paid $304 a week for dogsitting. If she wants to buy a new washing machine that costs $1400, how many weeks does Julie need to work to save up the required amount? Round to the nearest whole week.

Explanation

Divide the cost of the washing machine by the amount of money she makes each week:

Answer: Julie needs to save for 5 weeks.

6

Round to the nearest hundredth.

Explanation

When we round a number to the nearest hundredth we look to the thousandths place to tell us if we round up or down.

If the number in our thousandths place is or greater, we round up. If the number in the thousandths place is or less, we round down. When we round up, the number in the thousandths place increases by and all the other numbers to the right become . When we round down, the number in the thousandths place stays the same and all the other numbers to the right become .

In this case, is greater than so our rounded number is or

7

Seventy people need to make five equal lines. How many people will be on each line?

Explanation

Divide:

people per line

8

There are 15 animals in a pet store. The only animals are dogs and cats. There are twice as many dogs as cats. How many dogs are there?

Explanation

In this problem, the sum of the cats and dogs must equal 15. If there are 10 dogs, there must be 5 cats because there are twice as many dogs as cats. (Two times 5 is 10.)

Given that 10 plus 5 is 15, 10 is the correct answer.

9

Round to the nearest hundredth.

Explanation

When we round a number to the nearest hundredth we look to the thousandths place to tell us if we round up or down.

If the number in our thousandths place is or greater, we round up. If the number in the thousandths place is or less, we round down. When we round up, the number in the thousandths place increases by and all the other numbers to the right become . When we round down, the number in the thousandths place stays the same and all the other numbers to the right become .

In this case, is greater than so our rounded number is or

10

Round to the nearest hundredth.

Explanation

When we round a number to the nearest hundredth we look to the thousandths place to tell us if we round up or down.

If the number in our thousandths place is or greater, we round up. If the number in the thousandths place is or less, we round down. When we round up, the number in the thousandths place increases by and all the other numbers to the right become . When we round down, the number in the thousandths place stays the same and all the other numbers to the right become .

In this case, is greater than so our rounded number is or

Page 1 of 12
Return to subject