# 180 Days of Math for Third Grade Day 123 Answers Key

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## 180 Days of Math for Third Grade Answers Key Day 123

Directions: Solve each problem.

Question 1.
The sum of 7, 14, and 33 is ____________.
7 + 14 + 33 = 54
Explanation:
Perform addition operation on above three given numbers. Add 7 to 14 and 33 the sum is 54.

Question 2.
Six times ten is ___________.
Multiply 10 with  6 times the product is 60.
6 x 10 = 60
Six times ten is equal to 60.

Question 3.  Explanation:
Perform multiplication operation on above two given numbers. Multiply 18 with 3 the product is 54.

Question 4.
15 ÷ 3 = 15 ÷ 3 = Explanation:
Perform division operation on above numbers. Divide 15 by 3 the quotient is 5.

Question 5.
What is the value of the digit 7 in the number 6,742?
The value of the digit 2 in the number 6,742 is 2 ones or 2.
The value of the digit 4 in the number 6,742 is 4 ten or 40.
The value of the digit 7 in the number 6,742 is 7 hundred or 700.
The value of the digit 6 in the number 6,742 is 6 thousand or 6,000.
Explanation:
The place value of the digit starts from right side to left side. The places are named as ones, tens, hundreds, thousands, ten-thousands and so on. So, the value of the digit 7 in the number 6,742 is 7 hundred or 700.

Question 6.
Fill in the missing number.
493, 498, _________, 508, 513
The given series is 493, 498, _________, 508, 513.
The difference between first and second numbers is 5.
498 – 493 = 5
The difference between fourth and fifth numbers is 5.
513 – 508 = 5
So, add 5 to the number 498 in the sequence number. The sum is 503.
498 + 5 = 503
The missing number in the given series is 503.
The next number in the sequence is493, 498, 503, 508, 513.

Question 7.
How many cubic centimeters are in the solid?
______________ cm3 There are 8 cubic centimeters are in the above solid.

Question 8.
12 inches = ___________ foot
We know that 1 foot is equal to 12 inches.
12 inches = 1 foot

Question 9.
Name the shape of the cross-section. The shape of the above cross-section is circle.

Question 10.
Each row, column, and diagonal has the same sum. Complete the magic square using the numbers 1-9 only once.  Explanation:
We have to complete the above given magic square by using the numbers 1-9 only once. If we add each row, each column, and diagonal then the sum is same.
First row:
6 + 1 + 8 = 15
Second row:
7 + 5 + 3 = 15
Third row:
2 + 9 + 4 = 15
First column:
6 + 7 + 2 = 15
Second column:
1 + 5 + 9 = 15
Third column:
8 + 3 + 4 = 15
Diagonal 1:
6 + 5 + 4 = 15
Diagonal 2:
8 + 5 + 2 = 15
The above given magic square is completed using the numbers 1-9 only once.

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