By accessing our 180 Days of Math for Fifth Grade Answers Key Day 51 regularly, students can get better problem-solving skills.
180 Days of Math for Fifth Grade Answers Key Day 51
Directions Solve each problem.
Question 1.
Answer: 39
Explanation:
When we add two or more addends we get the sum.
19 + 20 = 39
Question 2.
8 × 9 = ___
Answer: 72
Explanation:
Multiply the numbers 8 and 9 to get the product.
8 x 9 = 72
Question 3.
Answer: 7
Explanation:
Question 4.
How many digits are in 12458?
______________
Answer:
Six (6)
Explanation:
Count he numbers to know the number of digits in 12458.
So, there are six digits.
Question 5.
\(\frac{1}{3}\) of 15 is ___.
Answer: 5
Explanation:
\(\frac{1}{3}\) of 15
= \(\frac{15}{3}\)
= 5
Question 6.
Write the number that comes next in the sequence.
30, 36, 42, ______
Answer: 48
Explanation:
The given sequence follows the n + 6 rule.
‘n’ is the given numbers.
42 + 6 = 28
Question 7.
15 + 30 = 50 – 
Answer: 5
Explanation:
Let the given number be x
15 + 30 = 50 – x
45 = 50 – x
x = 50 – 45
x = 5
Question 8.
How many millimeters are in 5 centimeters?
_____________________
Answer:
50mm
Explanation:
1 cm = 10 mm
5 cm = 5 x 10 = 50 mm
Question 9.
True or false? A sphere has only curved surfaces.
_____________________
Answer:
True
Explanation:
A sphere has only one curved surface area, which is also the total surface area.
Question 10.
Write the coordinates of: 
Answer:
(F, 5)
Explanation:
(F, 5)
first lets check the letters
letter = F
then check the number given
number = 5
now check the fourth intersection upwards from F
Question 11.
If you roll a 6-sided die, what is the probability of getting a 1 or a 2?
_____________________
Answer:
33% chance of getting 1 or 2 numbers
Explanation:
roll a 6-sided die
the probability of getting a 1 or a 2
1 or 2
2 positive events out of 6 events
= \(\frac{2}{6}\)
= \(\frac{1}{3}\)
=0.33
33% chance of getting 1 or 2 numbers
Question 12.
Find and color three rectangles within the image below.
Answer:
Explanation:
Answer may vary,
the above picture shows the possibility of rectangles.