By accessing our 180 Days of Math for Third Grade Answers Key Day 138 regularly, students can get better problem-solving skills.
180 Days of Math for Third Grade Answers Key Day 138
Directions: Solve each problem.
Question 1.
30 – 18 = 
Answer:
30 – 18 = 
Explanation:
Perform subtraction on above two given numbers. Subtract 18 from 30 the difference is equal to 12.
Question 2.
How many hands are there on 8 children?
Answer:
1 children have 2 hands.
Multiply 2 hands with 8 children the product is equal to 16 hands.
2 hands x 8 children = 16 hands
16 hands are there on 8 children.
Question 3.
8 × 9 =
Answer:
8 × 9 = 
Explanation:
Perform multiplication operation on above two given numbers. Multiply 8 with 9 the product is equal to 72.
Question 4.
What number follows 719?
Answer:
The number follows 719 is 720.
Question 5.
Write 248 in expanded notation.
Answer:
The expanded notation of 248 is 200 + 40 + 8.
Explanation:
It is one type of expressing the numbers by showing the value of the each digit is called as expanded notation. The expanded notation of 248 is 200 + 40 + 8.
Question 6.
Fill in the missing number.
317, 312, 307, ______ , 297
Answer:
The given series is 317, 312, 307, ______ , 297.
The difference between first and second numbers is 5.
317 – 312 = 5
The difference between second and third numbers is 5.
312 – 307 = 5
So, subtract 5 from number 307 in the sequence number. The difference is 302.
307 – 5 = 302
The missing number in the given series is 302.
The next number in the sequence is 317, 312, 307, 302 , 297.
Question 7.
True or false?
A pen has a mass greater than 1 kg.
Answer:
False, A pen doesn’t has a mass greater than 1 kg. Generally a pen has a mass of less than 25 grams.
Question 8.
4 cups = __________ quart
Answer:
4 cups = 1 quart
Question 9.
Draw all the lines of symmetry.
Answer:
The lines of symmetry are drawn on the above hexagon.
Question 10.
Jacqueline has 15 outfits in her closet. One-third of the outfits are dressy clothes for fancy occasions. How many dressy outfits does Jacqueline have?
Answer:
Jacqueline has 15 outfits in her closet.
One-third of the outfits are dressy clothes for fancy occasions.
Multiply 15 outfits with 1/3 the product is equal to 5 outfits.
15 x 1/3 = 5 outfits
Jacqueline have 5 dressy outfits.