By accessing our **180 Days of Math for First Grade Answers Key Day 157 **regularly, students can get better problem-solving skills.

## 180 Days of Math for First Grade Answers Key Day 157

**Directions: Solve each problem.**

Question 1.

99 has _________ tens and ________ ones.

Answer:

99 has 9 tens and 9 ones.

Explanation:

9 tens and 9 ones make 99

90 + 9 = 99

Question 2.

Answer:

Explanation:

6 + 1 = 7

7 + 1 = 8

The sum of 6, 1 and 1 is 8

Question 3.

17 – 9 =

Answer:

17 – 9 = 8

Explanation:

The difference of 17 and 9 is 8

Question 4.

Complete the pattern.

52 50 48 _______ 44

Answer:

52 50 48 46 44

Explanation:

The above given pattern is less by 2

52 – 2 = 50

48 – 2 = 46

Question 5.

How many curved surfaces does the object have?

Answer:

No, curved surfaces

Explanation:

A rectangular prism doesn’t have curved surfaces.

Question 6.

Circle the months that have 31 days.

June

July

August

Answer:

Explanation:

The months July and August has 31 days each.

Question 7.

**Number of Students**

Mrs. Garcia | 23 |

Mr. Ream | 21 |

Mrs. Stein | 24 |

Mr. Miller | 22 |

How many more students are in Mrs. Garciaâ€™s class than in Mr. Millerâ€™s class?

Answer:

Explanation:

Mrs. Garciaâ€™s class has 23

and Mr. Millerâ€™s class has 22

23 – 22 = 1

There 1 more student in Mrs. Garciaâ€™s class

Question 8.

Write one addition number sentence and one subtraction number sentence with the numbers 1, 6, and 7.

Answer:

1 + 6 = 7

7 – 6 = 1

Explanation:

an equation that shows a number being subtracted from another number with a final answer.

an equation that shows a number being added for another number with a final answer.