# Spectrum Math Grade 1 Chapter 2 Lesson 2 Answer Key Counting and Writing 15 through 19

Practice with the help of Spectrum Math Grade 1 Answer Key Chapter 2 Lesson 2.1 Counting and Writing 10 through 14 regularly and improve your accuracy in solving questions.

## Spectrum Math Grade 1 Chapter 2 Lesson 2.1 Counting and Writing 10 through 14 Answers Key

Complete.

1. 1 ten 0 ones = 10 1 ten 0 ones = 10.

Explanation:
Number of tens = (10 × 1) = 10.
Number of ones = (1 × 0) = 0.
Total = Number of tens + Number of ones
= 10 + 0
= 10.

2. ____ ten ___ one = ____ 1 ten 1 one = 11.

Explanation:
Number of tens = (10 × 1) = 10.
Number of ones = (1 × 1) = 1.
Total = Number of tens + Number of ones
= 10 + 1
= 11.

3. ____ ten ___ ones = ____ 1 ten 2 ones = 12.

Explanation:
Number of tens = (10 × 1) = 10.
Number of ones = (1 × 2) = 2.
Total = Number of tens + Number of ones
= 10 + 2
= 12.

4. ____ ten ___ ones = ____ 1 ten 3 ones = 13.

Explanation:
Number of tens = (10 × 1) = 10.
Number of ones = (1 × 3) = 3.
Total = Number of tens + Number of ones
= 10 + 3
= 13.

5. ____ ten ___ ones = ____ 