By accessing our **180 Days of Math for Fourth Grade Answers Key Day 16 **regularly, students can get better problem-solving skills.

## 180 Days of Math for Fourth Grade Answers Key Day 16

**Directions Solve each problem.**

Question 1.

32 – 7 = ___

Answer:

32 – 7 = **25**

Explanation:

Perform subtraction operation on above two given numbers. Subtract 7 from 32 the difference is 25.

Question 2.

Calculate one-tenth of 40.

____________

Answer:

1/10 × 40

= 1 × 4

=** 4**

So, one-tenth of 40 is 4.

Explanation:

One-tenth of number can be written in 1/10. So, multiply 1/10 with 40 the product is 4.

Question 3.

How many groups of 7 are in 14?

____________

Answer:

Perform division operation. Divide 14 by 7 the result is 2.

14/7 = **2**

There are **2 sevens** in 14.

So, **2 groups** of 7 are in 14.

Question 4.

Answer:

Explanation:

Perform division operation on above two given numbers. Divide 36 by 9 the quotient is 4.

Question 5.

Write 563 in expanded notation.

______________

Answer:

The expanded notation of 563 is **500 + 60 + 3**.

Explanation:

Expanded notation of the number is separated into individual place values. The given number 563 in expanded notation form is 500 + 60 + 3.

Question 6.

Fill in the missing number.

49, _____, 29, 19, 9

Answer:

The given series is 49, _____, 29, 19, 9

The difference between 9 and 19 is **10**.

The difference between 19 and 29 is **10**.

So, add 10 to the number 29 in the series.

29 + 10 = **39**

The missing number in the given series is **39**.

Question 7.

You can put either a ball or a brick into a bucket of water. Circle the one that would raise the water level higher.

Answer:

Explanation:

In the above image we can observe a bucket of water, ball and a brick. When we put a brick into a bucket of water the water level is higher compared to ball. So, the brick should be circled.

Question 8.

How many days are in January?

______________

Answer:

There are **31 days **in January.

Question 9.

Dollars Earned in May

Audrey | $15 |

Dameon | $23 |

Jason | $12 |

Lauren | $18 |

How much money did Lauren earn?

Answer:

In the above table we can observe money earned by the four different people in May. Lauren earn **$18** In May.

Question 10.

A bus leaves Oakton at 12:30 P.M. and arrives at Rockville at 4:18 PM. How long is the trip?

______________

Answer:

A bus leaves Oakton at 12:30 P.M. and arrives at Rockville at 4:18 PM.

The trip is **3 hours 48 minutes **long.