## Chapter 2

### Divide Whole Numbers

## Videos - Math on the Spot

**NOTE: The following videos will only work if you are logged in to the Go Math! site. Instructions to log in to the Go Math! site can be found on the Math page toward the bottom.**

**Lesson 1 - **Place the First Digit

**Essential Idea:** How can you tell where to place the first digit of a quotient without dividing?

**Watch the Video Here:** Math on the Spot- Lesson 2.1

**Lesson 2 - **Divide by 1-Digit Divisors

**Essential Idea: **How do you solve and check division problems?

**Watch the Video Here: **Math on the Spot- Lesson 2.2

**Lesson 3 - **Division with 2-Digit Divisors

**Essential Idea:** How can you use base-ten blocks to model and understand division of whole numbers?

**Watch the Video Here: **Math on the Spot- Lesson 2.3

**Lesson 4 - **Partial Quotients

**Essential Idea:** How can you use partial quotients to divide by 2-digit divisors?

**Watch the Video Here: **Math on the Spot- Lesson 2.4

**Lesson 5 - **Estimate with 2-Digit Divisors

**Essential Idea:** How can you use compatible numbers to estimate quotients?

**Watch the Video Here: **Math on the Spot- Lesson 2.5

**Lesson 6 - **Divide by 2-Digit Divisors

**Essential Idea:** How can you divide by 2-digit divisors?

**Watch the Video Here: **Math on the Spot- Lesson 2.6

**Lesson 7 - **Interpret the Remainder

**Essential Idea:** When solving a division problem, when do you write the remainder as a fraction?

**Watch the Video Here: **Math on the Spot- Lesson 2.7

**Lesson 8 - **Adjust quotients

**Essential Idea:** How can you adjust the quotient if your estimate is too high or too low?

**Watch the Video Here: **Math on the Spot- Lesson 2.8

**Lesson 9 - **Problem Solving - Division

**Essential Idea:** How can the strategy *draw a diagram* help you solve a division problem?

**Watch the Video Here: **Math on the Spot- Lesson 2.9