By accessing our 180 Days of Math for Third Grade Answers Key Day 66 regularly, students can get better problem-solving skills.
180 Days of Math for Third Grade Answers Key Day 66
Directions Solve each problem.
Question 1.
9 + 4 =
Answer:
10
Explanation:
9 + 4 = 10
The sum of 9 and 4 is 10
Question 2.
2 × 10 =
Answer:
20
Explanation:
2 x 10 = 20
The product of 2 and 10 is 20
Question 3.
2 × 100 =
Answer:
200
Explanation:
2 x 100 = 200
The product of 2 and 100 is 200.
Question 4.
What is the even number before 76?
_____________
Answer:
74
Explanation:
is the even number before 76
All the numbers ending with 0,2,4,6 and 8Â are even numbers.
If we divide a number into two groups with an equal number of elements in each, then the number is an even number.
Question 5.
Color one-quarter of these circles.
Answer:
Explanation:
One- fourth is also known as one -quarter
if we make 8 in to 4 groups each group get 2 circles.
Question 6.
Fill in the missing number.
800, 700, 600, ___, 400
Answer:
800, 700, 600, 500, 400
Explanation:
The above given pattern is less by 100
800 – 100 = 700
700 – 100 = 600
600 – 100 = 500
Question 7.
Which is shorter: a day or a month?
_____________
Answer:
A day
Explanation:
A day has 24 hours
And a month has 31 days
so, day is shorter than the month.
Question 8.
How many hours are there from 3:00 A.M. to 6:00 P.M.?
_____________
Answer:
15 hours
Explanation:
The formula for calculating elapsed time is elapsed time = end time – start time.
Subtract the minutes and hours separately.
3:00 A.M. to 12:00P.M.
it is 9 hours
and 12:00 P.M. to 6 P.M. it is 6 hours
9 + 6 = 15 hours.
Question 9.
Which of these shapes is a pentagon?
_____________
Answer:
Explanation:
A pentagon has 5 angles, 5 sides and 5 vertices.
so, picture A has 5 angles, 5 sides and 5 vertices.
Question 10.
In 10 years, a painting will be 100 years old. How old is the painting now?
_____________
Answer:
90 years
Explanation:
In 10 years, a painting will be 100 years old.
100 – 10 = 90
So, the painting is 90 years old.