By accessing our 180 Days of Math for Second Grade Answers Key Day 87 regularly, students can get better problem-solving skills.
180 Days of Math for Second Grade Answers Key Day 87
Directions: Solve each problem.
Question 1.
Order the numbers from smallest to largest.
43, 82, 39, 99
Answer:
39, 43, 82, 99
Explanation:
Ascending order means writing the numbers from smallest to biggest.
Question 2.
6 + 1 = ___________
Answer: 7
Explanation:
When we add 1 to the given number,
answer will be its successor.
So, the successor of 6 is 7.
6 + 1 = 7
Question 3.
Answer: 14
Explanation:
By subtracting 6 from 20, we get 14.
Question 4.
6 – 
= 2
Answer: 4
Explanation:
Let the unknown number be x
6 – x = 2
x = 6 – 2
x = 4
Question 5.
Color the shape with 3 sides.
Answer:
Explanation:
Triangle is a polygon with 3 sides and 3 angles.
Question 6.
What is the volume?
________ cubes
Answer:
5 cubic units
Explanation:
Volume of each cube = 1 cubic unit
So, there are 5 cubes = 5 cubic units.
Question 7.
Teeth Lost
How many more teeth were lost in February than in January?
Answer:
2 teeth
Explanation:
Total teeth lost in January = 6
Total teeth lost February = 8
8 – 6Â = 2
Question 8.
Write an addition number sentence using the numbers 15, 23, and 38.
Answer:
15 + 23 = 38
23 + 15 = 38
Explanation:
When we add to more addends we get the sum.
In addition when we change the order of addends,
there is no change in sum.