Subtraction and Visualization Techniques

Subtraction and Visualization Techniques

Assessment

Interactive Video

Mathematics

2nd - 3rd Grade

Hard

Created by

Thomas White

FREE Resource

This video tutorial covers a second-grade Go Math lesson on writing equations to represent subtraction. The teacher introduces the concept and demonstrates solving subtraction problems using pictorial references. Two example problems are discussed: one involving children riding bikes to school and another with children on a bus. The teacher emphasizes using visual aids like drawing pictures and tens and ones to help understand and solve the problems.

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main focus of the lesson in this video?

Writing equations for addition

Writing equations for subtraction

Learning multiplication tables

Understanding division

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why does the teacher prefer using pictures for word problems?

To make the lesson longer

To help visualize and understand the problem

To avoid using numbers

To make the problems more colorful

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the first example, how many children rode their bikes to school?

21

8

29

15

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many children were left with bikes at school after some rode home?

29

8

15

21

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What equation represents the first problem about bikes?

29 + 8 = ?

8 + 29 = ?

29 - 8 = ?

8 - 29 = ?

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many children left the school on their bikes?

15

29

8

21

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the second example, how many children were initially on the bus?

32

21

24

8

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