# 180 Days of Math for Fourth Grade Day 9 Answers Key

By accessing our 180 Days of Math for Fourth Grade Answers Key Day 9 regularly, students can get better problem-solving skills.

## 180 Days of Math for Fourth Grade Answers Key Day 9

Directions Solve each problem.

Question 1.
Calculate the sum of 12, 4, and 8.
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12 + 4 + 8 = 24
Explanation:
Perform addition operation on above three given numbers. Add 12 to 4 and 8 the sum is 24.

Question 2.
How many eighths are in one whole?
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1/8 + 1/8 + 1/8 + 1/8 + 1/8 + 1/8 + 1/8 + 1/8 = 1
There are 8 eighths in one whole.
Explanation:
Perform addition operation to get one whole. Add eight 1/8 eighths to get one whole.

Question 3.
Divide 16 into 4 equal groups.
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16 ÷ 4 = 4
Explanation:
Perform division operation on above two numbers. Divide 16 by 4 the quotient is 4.

Question 4.
36 ÷ 4 = ____
36 ÷ 4 = 9
Explanation:
Perform division operation on above two given numbers. Divide 36 by 4 the quotient is 9.

Question 5.
Circle the largest number.
639 963 936 The given numbers are 639 963 936.
The ascending order of given numbers are 639, 936, 963.
The largest number in the given numbers is 963.
So, 963 should be circled.

Question 6.
2 × = 12
2 × = 12
Explanation:
To get the product 12 we need to perform multiplication operation. Multiply 2 with 6 the product is 12. So the missing multiplicand is 6.

Question 7.
_____ mm = 1 cm
we know that,
10 mm = 1cm

Question 8.
Which would be the best measuring tool for the length of a shoelace: a yardstick, a scale, or a clock?
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The best measuring tool for the length of a shoelace is yardstick.

Question 9.
Color the polygons.  Both square and triangle are colored as we can observe in the above image.
Explanation:
A polygon is a two-dimensional figure which has a finite number of sides. A square is a polygon with four equal sides. A circle is a plane figure but it is not considered a polygon because it does not have sides or angles. A triangle is a polygon with three sides. So, both square and triangles are colored.

Question 10.
Last year Nick was 58 cm tall. He has grown 13 cm. What is his height now?
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