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. Hutahâ€™s class. There are 17 children in Mrs. Zykeâ€™s class. How many fewer children are in Mrs. Zykeâ€™s class?

Answer:

6 fewer children

Explanation:

There are 11 children in Mrs. Hutahâ€™s class

There are 17 children in Mrs. Zykeâ€™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.