By accessing our **180 Days of Math for Fourth Grade Answers Key Day 64 **regularly, students can get better problem-solving skills.

## 180 Days of Math for Fourth Grade Answers Key Day 64

**Directions Solve each problem**

Question 1.

Subtract 19 from 36.

______________

Answer:

36 – 19 = 17

Explanation:

Subtract 19 from 36 is 17

Question 2.

Is 0.4 less than 0.04?

______________

Answer: No

Explanation:

0.4 = \(\frac{4}{10}\)

0.04 = \(\frac{0.4}{10}\)

So \(\frac{4}{10}\) > \(\frac{0.4}{10}\)

Question 3.

81 ÷ 9 = ___

Answer:

Explanation:

The first number, 81, is called the dividend.

The second number, 9 is called the divisor.

The remainder is 0

9 x 9 = 81

Question 4.

Divide 27 into 3 equal groups.

______________

Answer:

27 ÷ 3 =9

Explanation:

Explanation:

The first number, 27, is called the dividend.

The second number, 3 is called the divisor.

The remainder is 0

3 x 9 = 27

Question 5.

Order the numbers from smallest to largest.

1,624; 1,264; 1,426

___ ____ ____

Answer:

1,264 ; 1,426 ; 1,624

Explanation:

Question 6.

8 × = 64

Answer:

8 × 8= 64

Explanation:

Multiplication and division are inversely proportional. So

8 X C = 64

C = 64 ÷ 8

C= 8

Question 7.

Circle the best estimate for the weight of the object.

100 g 2 kg 5 kg 10 kg

Answer:

100 g

Explanation:

grams are basic unit to measure the weight. in given units, 100g is the basic unit.

Question 8.

Which would be the best measure for the width of your pointer finger: a foot, a degree, or a centimeter?

Answer: a centimeter

Question 9.

Does an angle get bigger if you make its lines longer?

______________

Answer:

No. Scaling does not change angles .

Explanation:

Regardless of the construction, we then have that segment BC′ is a scaled version of BC with a scale factor of two and, similarly, BA is the scaled version of BA with scale factor two. Scaling does not change angles and we can see this in the picture as ∠A′BC′ is the same as ∠ABC.

Question 10.

Complete the chart below to represent the shaded part of the hundred grid.

Answer:

Explanation:

shaded part of the hundred grid in fraction is \(\frac{46}{100}\)

shaded part of the hundred grid in decimal is 0.46

shaded part of the hundred grid in percentage is 46%