By accessing our **180 Days of Math for First Grade Answers Key Day 139 **regularly, students can get better problem-solving skills.

## 180 Days of Math for First Grade Answers Key Day 139

**Directions: Solve each problem.**

Question 1.

Draw tens rods and ones cubes to show the number 50.

Answer:

Explanation:

I drew 4 tens rods and 10 one cubes

4 tens is 40

10 ones is 10

40 + 10 = 50

So, i drew ten rods and one cubes to show the number 50.

Question 2.

1 + 9 =

Answer:

Explanation:

Start at 9

Count 1 more

9 after 10

The sum of 1 and 9 is 10

So, 1 + 9 = 10.

Question 3.

15 – 7 =

Answer:

Explanation:

Start at 15

Count back by 1’s till 7

I counted 8 ones

So, 15 – 7 = 8.

Question 4.

Continue the pattern.

77 79 81 83 ______

Answer:

85

Explanation:

The number that is not divisible by 2 is an odd number

The number pattern shows odd numbers from 77

The next odd number after 83 is 85

So, the pattern is 77 79 81 83 85.

Question 5.

Draw a shape with 5 sides.

Answer:

Explanation:

A pentagon is a shape with 5 sides

So, i drew a pentagon.

Question 6.

Write the time.

Answer:

Explanation:

The time that the clock shows is 5 o clock.

Question 7.

Complete the chart to show the following data.

Include each name and the time

- Tammi goes to bed at 8:00.
- Marco goes to bed at 8:30.
- Shavon goes to bed at 7:30.

**Bedtimes**

Tammi | ||

7:30 |

Answer:

Explanation:

I used the information given to fill the table.

Question 8.

There are 11 children in Mrs. Hutah’s class. There are 17 children in Mrs. Zyke’s class. How many fewer children are in Mrs. Zyke’s class?

Answer:

6 fewer children

Explanation:

There are 11 children in Mrs. Hutah’s class

There are 17 children in Mrs. Zyke’s class

Subtract 11 from 17 to find the fewer children

17 – 11 = 6

So, there are 6 fewer children in Mrs. Zyke’s class.