By accessing our **180 Days of Math for Fourth Grade Answers Key Day 179 **regularly, students can get better problem-solving skills.

## 180 Days of Math for Fourth Grade Answers Key Day 179

**Directions: Solve each problem.**

Question 1.

26 + 16 = ___________

Answer:

Question 2.

Is 3% equal to \(\frac{3}{10}\)?

Answer:

3% = \(\frac{3}{100}\)

So, \(\frac{3}{10}\) is not equal to \(\frac{3}{100}\)

Question 3.

Answer:

Question 4.

99 ÷ 11 = ___________

Answer:

Question 5.

Is 2,386 closer to 2,300 or 2,400?

Answer: 2,386 is closer to 2400 because 2386 is greater than 2350.

Question 6.

3,039 = 3,000 + __________

Answer: 3,039 = 3,000 + 39

Question 7.

Would you use square inches or square feet to measure the area of an area rug?

Answer: We use square inches to measure the area of an area rug.

Question 8.

What is the volume of a cube with 1-cm sides?

Answer:

Side = 1 cm

Volume of a cube = s³

V = 1 × 1 × 1

V = 1 cubic cm.

Question 9.

How many obtuse angles are inside this polygon?

Answer:

There are 7 obtuse angles

Question 10.

Tina practices the piano twice as long as her sister Jenny. Jenny practices the piano 25 minutes every day. How long does Tina practice each day?

Answer:

Given,

Tina practices the piano twice as long as her sister Jenny.

Jenny practices the piano 25 minutes every day.

Tina practice 25 × 2 = 50 minutes

Thus Tina practices 50 minutes each day.