# 180 Days of Math for Second Grade Day 140 Answers Key

By accessing our 180 Days of Math for Second Grade Answers Key Day 140 regularly, students can get better problem-solving skills.

## 180 Days of Math for Second Grade Answers Key Day 140

Directions: Solve each problem.

Question 1.
Write the ordinal number for three.
Third
Explanation:
A number showing the place or position in a sequence are ordinals.
Number 3 is written as Third.

Question 2.
37 + 51 = ___________

Explanation:
Given addends are 37 and 51; sum is 88.

Question 3.

Explanation:
By subtracting smaller number 36 from bigger number 77,
we get the difference 77 â€“ 36 = 41

Question 4.
There are 50 books on Yuiâ€™s bookshelf. If she buys 10 new books every year, how many books will she have on her shelf after 4 years?

 Start 1 Year 2 years 3 Years 4 Years 50

90 books

 Start 1 Year 2 years 3 Years 4 Years 50 Â  Â  Â  Â  Â  Â  60 Â  Â  Â  Â  Â  Â 70 Â  Â  Â  Â  Â  Â  Â 80 Â  Â  Â  Â  Â  Â 90

Explanation:
There are 50 books on Yuiâ€™s bookshelf.
If she buys 10 new books every year,
Total number of books on her shelf after 4 years = 4 x 10 = 40
50 + 40 = 90

Question 5.
Circle the plane figure.

Explanation:
Circled plane figure is Rhombus.
A plane figure can be composed of line segments, curves, or a combination of the two.

Question 6.
Circle the object that weighs more.

Explanation:
When we observe the weight of both,
chicken weighs more than the tortise.

Question 7.
Money Saved

If Kiko saves $15 more, how much will she have? Answer:$40.00
Explanation:
If Becky saves $25, then Kiko saves$15 more.
Total amount saved by Kiko = 25 + 25 = \$40.00

Question 8.
Cami has 23 shells in her collection. How many shells will she have if she doubles her collection?