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Problem Solving with Ratios and LCM

Problem Solving with Ratios and LCM

Assessment

Interactive Video

Mathematics

6th - 7th Grade

Practice Problem

Hard

Created by

Thomas White

FREE Resource

The video covers sixth-grade mathematics focusing on common multiples and least common multiples (LCM). It includes problems involving blinking lights, multiples of numbers, packaging items, and geometry on a coordinate plane. Additionally, it discusses calculating percentages for fundraising goals.

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a green light blinks every 4 seconds and a yellow light blinks every 5 seconds, when will they blink together?

10 seconds

15 seconds

25 seconds

20 seconds

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A red light blinks every 12 seconds and a blue light every 9 seconds. When will they blink at the same time?

18 seconds

36 seconds

48 seconds

24 seconds

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the least common multiple of 10 and 15?

25

30

35

20

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many packages of cups and napkins are needed to have the same number of each if cups come in packs of 8 and napkins in packs of 12?

2 packages of each

2 packages of cups and 3 of napkins

3 packages of each

3 packages of cups and 2 of napkins

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many sets of cups and napkins can be made if you have 24 of each?

30 sets

24 sets

18 sets

12 sets

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a rectangle is drawn on a coordinate plane with points A(-6, 9) and B(5, 9), what could be the coordinates of point C?

(-6, 3)

(5, 3)

(5, 9)

(-6, 9)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A school has raised 20% of its $2,500 goal. How much money have they raised?

$250

$500

$750

$1,000

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