Practice with the help of **Spectrum Math Grade 1 Answer Key Chapter 2 Lesson 2.7**** Counting and Writing 70 through 99** regularly and improve your accuracy in solving questions.

## Spectrum Math Grade 1 Chapter 2 Lesson 2.7 Counting and Writing 70 through 99 Answers Key

**Complete.**

**1.**

7 tens 6 ones = __76
__Answer:

7 tens 6 ones = 76.

Explanation:

Number of tens = (10 × 7) =70.

Number of ones = (6 × 1) = 6.

Total = Number of tens + Number of ones

= 70 + 6

= 76.

**2.**

9 tens 8 ones = __98
__Answer:

9 tens 8 ones = 98.

Explanation:

Number of tens = (10 × 9) = 90.

Number of ones = (8 × 1) = 8.

Total = Number of tens + Number of ones

= 90 + 8

= 98.

**3.** 8 tens 3 ones = __
__Answer:

8 tens 3 ones = 83.

Explanation:

Number of tens = (10 × 8) = 80.

Number of ones = (3 × 1) = 3.

Total = Number of tens + Number of ones

= 80 + 3

= 83.

**4.** 7 tens 1 one = ____

Answer:

7 tens 1 one = 71.

Explanation:

Number of tens = (10 × 7) =70.

Number of ones = (1 × 1) = 1.

Total = Number of tens + Number of ones

= 70 + 1

= 71.

**5.** 8 tens 7 ones = ____

Answer:

8 tens 7 ones = 87.

Explanation:

Number of tens = (10 × 8) = 80.

Number of ones = (7 × 1) = 7.

Total = Number of tens + Number of ones

= 80 + 7

= 87.

**6.** 9 tens 4 ones = ___

Answer:

9 tens 4 ones = 94.

Explanation:

Number of tens = (10 × 9) = 90.

Number of ones = (4 × 1) = 4.

Total = Number of tens + Number of ones

= 90 + 4

= 94.

**7.** 9 tens 2 ones = ____

Answer:

9 tens 2 ones = 92.

Explanation:

Number of tens = (10 × 9) = 90.

Number of ones = (2 × 1) = 2.

Total = Number of tens + Number of ones

= 90 + 2

= 92.

**8.** 7 tens 9 ones = ____

Answer:

7 tens 9 ones = 79.

Explanation:

Number of tens = (10 × 7) = 70.

Number of ones = (9 × 1) = 9.

Total = Number of tens + Number of ones

= 70 + 9

= 79.

**9.** 8 tens 8 ones = _____

Answer:

8 tens 8 ones = 88.

Explanation:

Number of tens = (10 × 8) = 80.

Number of ones = (8 × 1) = 8.

Total = Number of tens + Number of ones

= 80 + 8

= 88.

**10.** 8 tens 0 ones = _____

Answer:

8 tens 0 ones = 80.

Explanation:

Number of tens = (10 × 8) = 80.

Number of ones = (0 × 1) = 0.

Total = Number of tens + Number of ones

= 80 + 0

= 80.

**11.** 7 tens 5 ones = ____

Answer:

7 tens 5 ones = 75.

Explanation:

Number of tens = (10 × 7) =70.

Number of ones = (5 × 1) = 5.

Total = Number of tens + Number of ones

= 70 + 5

= 75.

**12.** 9 tens 9 ones = ____

Answer:

9 tens 9 ones = 99.

Explanation:

Number of tens = (10 × 9) = 90.

Number of ones = (9 × 1) = 9.

Total = Number of tens + Number of ones

= 90 + 9

= 99.

**13.** 9 tens 1 one = ____

Answer:

9 tens 1 one = 91.

Explanation:

Number of tens = (10 × 9) = 90.

Number of ones = (1 × 1) = 1.

Total = Number of tens + Number of ones

= 90 + 1

= 91.

**14.** 8 tens 6 ones = ____

Answer:

8 tens 6 ones = 86.

Explanation:

Number of tens = (10 × 8) = 80.

Number of ones = (6 × 1) = 6.

Total = Number of tens + Number of ones

= 80 + 6

= 86.

**15.** 7 tens 0 ones = ____

Answer:

7 tens 0 ones = 70.

Explanation:

Number of tens = (10 × 7) = 70.

Number of ones = (0 × 1) = 0.

Total = Number of tens + Number of ones

= 70 + 0

= 70.

**16.** 8 tens 2 ones = ____

Answer:

8 tens 2 ones = 82.

Explanation:

Number of tens = (10 × 8) = 80.

Number of ones = (2 × 1) = 2.

Total = Number of tens + Number of ones

= 80 + 2

= 82.