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In this lesson, we will learn how to solve word problems using number patterns.

Q1:

Rania started this pattern with the rule subtract 8.

What is the next number?

She colored every third number green.

Describe the pattern that the green numbers will follow.

Q2:

Suppose the number of rabbits doubles every year on Fares’s farm. If he currently has 6 rabbits, how many rabbits will Fares have after 4 years?

Q3:

Fares starts at 2 and writes multiples of 2: 2 , 4 , 6 , 8 , 1 0 , 1 2 , 1 4 , 1 6 , 1 8 , 2 0 , … .

He notices a repeating pattern.

What if he starts at 26? Finish his sentence by finding the repeating part of the pattern.

Q4:

Adam is making patterns of dots that look like triangles.

The rule for the number of dots to use is add one more dot than you added before.

How many dots will be in the next triangle?

Q5:

Dalia had 8 red and blue marbles that she arranged in a repeating pattern of 2 red marbles then 2 blue marbles. Later she added a green marble after each blue marble. How many green marbles did she add?

Q6:

Fares started writing this number pattern with the rule add 6.

He colours every second number blue.

Describe the pattern the blue numbers will follow.

What if he looks at every third number?

What pattern will the green numbers follow?

Q7:

By considering a sequence for the number of chords in each of the circles shown, find the number of chords that would be in the 7 t h shape.

Q8:

An agriculture company cultivates 2 feddans per day. By writing a sequence, how many days will it take for them to cultivate 8 feddans?

Q9:

Fares saves 68 LE every month. By writing a sequence, how many months will it take him to save 136 LE?

Q10:

What time makes the pattern complete?

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