Multiplying and Counting by Fifties

Multiplying and Counting by Fifties

Assessment

Interactive Video

Mathematics

4th - 5th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial explains how to use patterns to multiply, specifically focusing on multiplying by 50. It introduces the concept of a half-century and demonstrates how to find the number of years in multiple half-centuries using different methods. These methods include using place value blocks, skip counting by 50s, and employing an open number line. The tutorial also highlights the place value patterns when multiplying by multiples of 10, emphasizing that multiplying by 50 is akin to multiplying by 5 and adding a zero to the product.

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the duration of a half century?

100 years

25 years

50 years

75 years

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many years are there in 5 half centuries?

100 years

150 years

200 years

250 years

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of multiplying 5 by 50?

300

250

350

200

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many years are there in 2 half centuries?

200

50

100

150

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many tens are there in the number 50?

6

5

4

3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the product of 2 times 50?

150

100

50

200

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the product of 3 times 50?

100

150

200

250

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