Subtraction Concepts and Base 10 Blocks

Subtraction Concepts and Base 10 Blocks

Assessment

Interactive Video

Mathematics

3rd - 4th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial introduces the concept of subtracting across zeros using base 10 blocks. It begins with a review of base 10 blocks, explaining the value of cubes, longs, and flats. The teacher then demonstrates a subtraction problem, 202 minus 138, highlighting the need for regrouping when subtracting across zeros. The tutorial provides a step-by-step guide to solving the problem, emphasizing the importance of borrowing from higher place values. The session concludes with encouragement to practice the concept further in class.

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main topic of the lesson introduced at the beginning?

Multiplication of large numbers

Subtraction across zeros

Division of decimals

Addition of fractions

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of a 'long' in base 10 blocks?

1000

100

10

1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many cubes make up one long in base 10 blocks?

10

5

20

15

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What number is represented by two flats, no longs, and two cubes?

202

22

220

2002

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving a subtraction problem with regrouping?

Subtract the tens

Subtract the hundreds

Add the numbers

Subtract the ones

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the subtraction problem 202 - 138, why can't you subtract 8 from 2?

Because 2 is an even number

Because 2 is a multiple of 8

Because 8 is a prime number

Because 8 is larger than 2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do you do when there are no tens to borrow from in a subtraction problem?

Borrow from the hundreds

Skip the subtraction

Add more tens

Subtract directly

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