# 180 Days of Math for Fourth Grade Day 51 Answers Key

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## 180 Days of Math for Fourth Grade Answers Key Day 51

Directions Solve each problem.

Question 1.
16 + 8 + 14 = ___
16 + 14 = 30
30 + 8 = 38
Explanation:
The sum of 16, 8 and 14 is 38.

Question 2.
Is $$\frac{3}{10}$$ larger than $$\frac{29}{100}$$ ?
______________
yes
Explanation:
$$\frac{29}{100}$$ equals 29 × $$\frac{1}{100}$$ and
$$\frac{3}{10}$$ = 30 × $$\frac{1}{100}$$, which is greater than 29 × 1/100.

Question 3.

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.
54 divided by 9 is ____
54 divided by 9 is 6
Explanation:

Question 5.
What is the next odd number after 421?
______________
423 is the next odd number after 421
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.
Write the number that comes next in the pattern.
41, 31, 21, 11,
______________
51, 41, 31, 21, 11, 1
Explanation:
The pattern is the example of skip by tens

Question 7.
Write the line length in millimeters.
_____________________

55 mm
Explanation:
1 cm = 10 mm
5 x 10 = 50
50 + 5 = 55 mm

Question 8.
____ yard = 18 inches
$$\frac{1}{2}$$ yard = 18 inches.
Explanation:
1 yard = 36 inches
half of the yard = 36 inches
that is 36 divided by 2

Question 9.
Draw in the diagonals for the shape.

Explanation:
The two diagonals of a rhombus are perpendicular;
that is, a rhombus is an orthodiagonal quadrilateral.
Its diagonals bisect opposite angles.

Question 10.
Write two odd numbers that total the even number 16.
______________