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Maths

Addition and Subtraction

 

Complete what you can - try the challenge if you want.

 

Act. 1

Find the missing numbers:

1) 34 + ___ = 100            4) 200 - ___ = 144

2) 200 - ___ = 105           5) ___ + 57 = 200

3) 634 + ___ = 700          6) 800 - ___ = 714

 

Act. 2

Find the answers using the formal written method:

1) 798 – 321 =                   6) 412 + 243 =

2) 9736 – 4212 =              7) 2139 + 4850 =

3) 3729 – 2917 =              8) 3283 + 5382 =

4) 8167 – 5758 =              9) 6321 +2897 =

5) 8000 – 6531 =              10) 3892 + 9429 =

 

Act. 3 (Challenge)

1) 6183 + 2381 + 2631 =

2) 7432 + 8213 + 2083 =

3) 9798 – 2145 – 4245 =

4) 7890 – 1233 – 4322 =

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