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 |
|
Answer:
The number before 42 is 41 and the number after 42 is 43.
| Before | Number |
After |
| 41 | 42 |
43 |
Question 2.
3 + 2 = 
Answer: 5
The sum of two numbers 3 and 2 is 5
3 + 2 = 5
Question 3.
Subtract.
Answer:
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
Answer:
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?
___________
Answer:
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?
___________
Answer:
Given information,
I start playing tennis at 2:00. I play for 1 hour.
2 hour + 1 hour = 3:00
You stop at 3:00.