By accessing our **180 Days of Math for Fourth Grade Answers Key Day 61 **regularly, students can get better problem-solving skills.

## 180 Days of Math for Fourth Grade Answers Key Day 61

**Directions Solve each problem.**

Question 1.

Answer:

Explanation:

The sum of 56 and 8 is 64.

First added 6 and 8 the sum is 14

4 is placed and 1 is taken as carry forward to the next number.

Question 2.

Color \(\frac{30}{100}\).

Answer:

Explanation:

\(\frac{30}{100}\).

Colored 30 square units out of 100 square units

Question 3.

50 ÷ 5 = ______

Answer:

Explanation:

50 ÷ 5 = 10

5 x 10 = 50

subtraction and multiplication are inversely proportional.

Question 4.

63 ÷ 9 = ___

Answer:

Explanation:

63 ÷ 9 = 7

7 x 9 = 63

Subtraction and multiplication are inversely proportional.

Question 5.

What is the first odd number before 81?

______________

Answer:

the first odd number before 81 is 79

Explanation:

a whole number that is not able to be divided by two into two equal whole numbers

The numbers 1, 3, 5, and 7 are *odd numbers*.

Question 6.

Fill in the missing number.

200, 400, ____, 800, 1,000

Answer:

200, 400, 600, 800, 1,000

Explanation:

In the above pattern the missing number is 600

For every number 200 is added

The pattern is add by 200

200 + 200 = 400

400 + 200 = 600

600 + 200 = 800

Question 7.

Write the length in centimeters.

______________

Answer:

The scale shows 3 and half centimeters

that is 3.5 cm’s

Explanation:

1 cm = 10 mm

Question 8.

___ yards = 72 inches

Answer:

2 yards = 72 inches

Explanation:

1 yard = 3 feet

1 feet = 12 inches.

2 x 3 = 6

6 x 12 = 72

Question 9.

What shape is the base of a cylinder?

______________

Answer:

Circle.

Explanation:

The base area of the cylinder is actually an area of a circle since the base of the cylinder is a circle

Question 10.

Complete the addition grid.

+ | 7 | 15 | 18 | 23 | 25 |
28 |

19 |
||||||

29 |
||||||

39 |

Answer:

Explanation:

The values are founded of 19 with the numbers given in the top

19 , 29 and 39

these are multiplied with ten

so the product also change by 10.