3. Try these:


a) HTU 519 18


–


b) HTU 457 45


–


c) HTU 521


– 410


d) HTU 102 97


–


e) HTU 190


– 146


f) HTU 201


– 200


g) HTU 608


– 429


4. There were 508 leaves on a tree, but then a strong wind came and blew 379 of them away. How many leaves were left on the tree after the wind came?


5. a) 197 – 109 = – b) 830 – 650 = – c) 284 – 199 = – d) 700 – 468 = –


6. Tommy works in a busy supermarket. One morning he stacked a shelf with 300 sandwiches. After the lunchtime rush, there were only 185 sandwiches left.


How many sandwiches had been sold?


7. a) 549 – 221 = ? Estimate =


Work out the answer below.


b) 268 – 172 = ? Estimate =


Work out the answer below.


c) 457 – 169 = ? Estimate =


Work out the answer below.


8. Sarah has 281 stickers. Jane has 158 fewer than that. How many stickers does Jane have?


Recap • I can subtract big numbers.


• I know how to rename before subtracting. • I know how to estimate before subtracting. • I can use my subtraction skills to solve word problems.


Subtraction 27


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