By accessing our 180 Days of Math for Second Grade Answers Key Day 79 regularly, students can get better problem-solving skills.
180 Days of Math for Second Grade Answers Key Day 79
Directions Solve each problem.
Question 1.
Write the numeral for six hundred forty-three.
__________
Answer:
643
Explanation:
six hundred = 600
forty-three = 43
600 + 43 = 643
Question 2.
Complete.
Double 2 = ____
Answer: 4
Explanation:
Double the number means adding the number to itself.
2 + 2 = 4
Question 3.
What is 9 less than 12?
__________
Answer: 3
Explanation:
9 less than 12 means 12 – 9 = 3
Question 4.
4 + 7 = 11 + 
Answer: 0
Explanation:
Let the unknown number be x
4 + 7 = 11 + x
11 = 11x
x = 11 – 11
x = 0
Question 5.
Color the correct cross-section.
Answer:
Explanation:
Square is a polygon, with 4 equal sides.
Question 6.
Is a cat longer or shorter than a yard?
_______________
Answer:
Cat is shorter
Explanation:
1 yard = 3 feet
So, cat is less than 3 feet.
Question 7.
How many cars are green?
_______________
Answer:
17 cars
Explanation:
From the above data green cars have complete 3 set of tally marks and 2.
So, 3 x 5 = 15 + 2 = 17
Question 8.
There are 9 mommy ducks. There are 43 ducklings. How many more ducklings are there than mommy ducks?
__________________
Answer:
34 ducklings
Explanation:
There are 9 mommy ducks.
There are 43 ducklings.
Number of more ducklings than mommy ducks = 43 – 9 = 34