# 180 Days of Math for First Grade Day 30 Answers Key

By accessing our 180 Days of Math for First Grade Answers Key Day 30 regularly, students can get better problem-solving skills.

## 180 Days of Math for First Grade Answers Key Day 30

Directions Solve each problem.

Question 1.
Write the number before and after 42.

 Before Number After 42

The number before 42 is 41 and the number after 42 is 43.

 Before Number After 41 42 43

Question 2.
3 + 2 = The sum of two numbers 3 and 2 is 5
3 + 2 = 5

Question 3.
Subtract. Total number of apples = 7
Number of apples taken away = 5
7 – 5 = 2
So, now there are 2 apples. Question 4.
Write the missing sign.
4 2 = 6
Let us check with the arithmetic operations.
4 – 2 = 2
4 × 2 = 8
4 ÷ 2 = 2
4 + 2 = 6
So, the missing sign is ‘+’

Question 5.
Is the door on the right or left?
___________ Answer: The door is on the right side of the car.

Question 6.
Circle the smaller object. Answer: Tennis ball is a smaller object. Question 7.
Children in Class

 Boys Girls 7 10

Are there more boys or more girls in the class?
___________
Number of boys in the class = 7
Number of girls in the class = 10
By comparing the count we can observe that there are more girls in the class.

Question 8.
I start playing tennis at 2:00. I play for 1 hour. At what time do I stop?
___________