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2.06 Target numbers and patterns


Are you ready?

Do you know how to count on from a number?

Complete the pattern by adding $2$2 each time.

  1. $40$40, $42$42, $44$44, $\editable{}$, $\editable{}$, $\editable{}$


To find out the difference between two numbers, we can jump from our starting number to our target number, like we do in this video.


Question 1

Find the missing number to equal the number $98$98.

  1. $89$89$+$+$\editable{}$$=$=$98$98

  2. $20$20$+$+$\editable{}$$=$=$98$98

  3. $28$28$+$+$\editable{}$$=$=$98$98


Sometimes we can solve a problem, and then use that to find a pattern in addition or subtraction. Watch this video to see how.


Question 2


Use this to find:

  1. $113+30=\editable{}$113+30=

  2. $113+40=\editable{}$113+40=

  3. $113+50=\editable{}$113+50=

  4. $113+70=\editable{}$113+70=


If we notice a pattern in our problems, it can make it much easier to solve other problems. We can use place value to see what has changed and then focus on that in other problems.




Apply place value to partition, rearrange and regroup numbers to at least tens of thousands to assist calculations and solve problems


Use equivalent number sentences involving addition and subtraction to find unknown quantities

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