# 180 Days of Math for Third Grade Day 141 Answers Key

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## 180 Days of Math for Third Grade Answers Key Day 141

Directions: Solve each problem.

Question 1.
8 + 3 + 2 =
8 + 3 + 2 =
Explanation:
Perform addition operation on above two given numbers. Add 8 with 3 and 2 the sum is equal to 13.

Question 2.
What is the product of 1 and 10?
1 × 10 = 10
The product of 1 and 10 is equal to 10.
Explanation:
Perform multiplication operation on above two given numbers. Multiply 1 with 10 the product is equal to 10.

Question 3.
10 × 9 =
10 × 9 =
Explanation:
Perform multiplication operation on above two given numbers. Multiply 10 with 9 the product is equal to 90.

Question 4.
24 ÷ 3 =
24 ÷ 3 =
Explanation:
Perform division operation on above two given numbers. Divide 24 by 3 the quotient is equal to 8.

Question 5.
$$\frac{1}{4}$$ of 16 is _________.
1/4 × 16 = 4
So, 1/4 of 16 is equal to 4.
Explanation:
Perform multiplication operation on above numbers. Multiply 1/4 with 16 the quotient is equal to 4.

Question 6.
Fill in the missing number.
493, 488, _______, 478
The given series is 493, 488, _______, 478.
The difference between first and second numbers is 5.
493 – 488 = 5
So, subtract 5 from the number 488 in the sequence number. The difference is 483.
488 – 5 = 483
The missing number in the given series is 483.
The next number in the sequence is 493, 488, 483, 478.

Question 7.
8 cups = _______ gallon(s)
We know that 1 gallon is equal to 16 cups.
We need to perform division operation. Divide 8 cups by 16 cups the result is equal to 1/2 gallons.
1 gallon = 16 cups
? gallon = 8 cups
So, 8 cups is equal to 1/2 gallon.

Question 8.
Which has more mass: a bag of rocks or a bag of leaves?
A bag of rocks have more mass. Rocks weight is high when compared to leaves.

Question 9.
What shape is the cross-section of a sphere?
The cross-section of a sphere is equal to circle.

Question 10.
Marissa has $1.35. She has 6 coins. What coins does she have? Answer: 1 quarter is equal to$0.25.
1 dime is equal to $0.1. 1 nickel is equal to$0.05.
Marissa has $1.35. She has 6 coins. Marissa have 5 quarters and 1 dime. 5 quarters is equal to$1.25.
1 dime is equal to $0.1 Add$1.25 with $0.1 the sum is$1.35
$1.25+$0.1 = $1.35 Marissa have 3 quarters and 1 half-dollar and 2 nickels 3 quarters is equal to$0.75.
3 x $0.25 =$0.75
1 half dollar is equal to $0.50. 2 nickels is equal to$0.1.
2 x $0.05 =$0.1
Add $0.75 with$0.50 and $0.1 the sum is$1.35.
$0.75 +$0.50 + $0.1 =$1.35
Marissa have one dollar coin, 2 dimes and 3 nickels.
2 dimes is equal to $0.2. 2 x$0.1 = $0.2 3 nickels is equal to$0.15.
3 x  $0.05 =$0.15
Add $1 with$0.2 and $0.15 the sum is equal to$$1.35.$1 + $0.2 +$0.15 = \$1.35

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