# 180 Days of Math for Second Grade Day 79 Answers Key

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.
__________
643
Explanation:
six hundred = 600
forty-three = 43
600 + 43 = 643

Question 2.
Complete.

Double 2 = ____
Explanation:
Double the number means adding the number to itself.
2 + 2 = 4

Question 3.
What is 9 less than 12?
__________
Explanation:
9 less than 12 means 12 – 9 = 3

Question 4.
4 + 7 = 11 +
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.

Explanation:
Square is a polygon, with 4 equal sides.

Question 6.
Is a cat longer or shorter than a yard?
_______________
Cat is shorter
Explanation:
1 yard = 3 feet
So, cat is less than 3 feet.

Question 7.

How many cars are green?
_______________
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?
__________________