# Section B: Practice Problems 10 Ones and Some More

## Section Summary

Details

We saw and made numbers 11–19 with fingers and 10-frames.

We saw these numbers written as 10 and some more in different ways.

10 and 4 is 14.

is 14.

## Problem 1 (Lesson 5)

Draw a line from each picture to the number that shows how many there are.

1. 13

2. 14

3. 16

4. 18

## Problem 2 (Lesson 6)

How many fingers are there?
Show how many fingers there are using a 10-frame.

## Problem 3 (Lesson 7)

Write a number to show how many dots there are.

## Problem 4 (Lesson 8)

Draw more dots to show each number.

1. 11

2. 19

3. 15

## Problem 5 (Lesson 9)

Choose an expression that matches the dots.

Explain how the expression matches the dots.

## Problem 6 (Lesson 10)

Fill in the blanks to make each equation true.

## Problem 7 (Exploration)

What are some different ways you know how to show 16?
What is your favorite way to show 16?
Share with a partner.

## Problem 8 (Exploration)

1. Arrange 18 dots in a way that helps you see there are 18.

2. Arrange 18 dots in a way that makes it hard to see how many there are.

3. Explain why you chose your arrangements.

4. Try again with other numbers up to 19.