maths 2

 Adding and Subtracting 100s, 10s and 1s
-We are learning to solve subtraction problems by subtracting 100s, 10s and 1s.
-We are learning to solve addition problems by adding 100s, 10s and 1s

Question	Working	Answer
475 +158=	400+100=500 70+50=120 5+8=13 633	633
199+188=	200+187=387	387
634+197=	600+100=700 30+90=120 4+7=11 831	831
188+189=	180+180=360 8+9=17	377
299+156=	300+155=455	455

Question	Working	Answer
482-394=	400-300=100  180-90=90 92-4=88	88
531-198=	529-200=329	329
535-379=	500-300=200 230-70=160 165-9=156	156
933-399=	932-400=532	532
221-177=	200-100=100 120-70=50 51-7=44	44

Word problems

Problem	Working and answer
Miss Davis had $833 she spent $245 at the supermarket. How much money does Miss Davis have left?	833-245=555 800-200=600  600-45=555
The bakery made 174 cookies in the morning and they made another 289 cookies in the afternoon. How many cookies did they made that day?	174+289=463 100+200=300 70+80=150 4+9=13 463
There are 374 children at the park. 198 children leave. How many children are left at the park?	374-198=176

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