- Steve had 2 bags of 14 marbles . He met a friend and gave him 11 marbles . How many marbles does he have now? I think the answer is 17 because 14-11=3 and 3+14 because there’s still another bag left and that makes 17.

- Mike had 4 bags of 16 marbles . A friend gave him 9 more marble

How many marbles does he have now? I think the answer is 73 because 4x16= 64 because 4x6=24 and 4x10=40 and then 24+40=64+9=73.

- Paul had 2 bags of 20 marbles . He lost 5 marbles . How many marbles does he have now? I think the answer is 35 because 20+20=40 and 40-5=35.

- John had 6 bags of 20 cards . He lost 10 cards . How many cards does he have now? I think the answer is 110 because 6x2=12 and then I just added the 0 and it made 120 then I took away the 10 cards he lost and that made 110.

- Steve had 3 boxes of 8 balls . He bought 2 more balls . How many balls does he have now? I think the answer is 26 because 3x8=24 and then 24+2=26.

6.Sam had 2 boxes of 19 balls . A friend gave him 16 more balls .

How many balls does he have now? I think the answer is 54 because 19+19=38 and then 38+16= makes 54 because 38+10=48 and 48+6=54

7. Kevin had 3 boxes of 21 pencils . He lost 12 pencils . How many pencils does he have now? I think the answer is 51 because 3x21=63 because 3x1=3 and then 3x2=6 then I add the 0 and it makes 60 and then I went 60+3=63 and then 63-12 because he lost 12 pencils and it makes 51.

8.Jeremy had 3 boxes of 16 stamps . He met a friend and gave him 9 stamps . How many stamps does he have now? I think the answer is 39 because 3x16=38 because 3x10=30 and 3x6=18 than 30+18=48-9 because he gives 9 to his new friend and that makes 39.

9.Sam had 4 boxes of 8 balls . He bought 6 more balls . How many balls does he have now? I think the answer is 38 because 4x8=32 and 32+6=38.

10.Steve had 6 bags of 3 cards . A friend gave him 2 more cards. How many cards does he have now? I think the answer is 20 because 6x3=18 and 18+2=20.

Good answers Lydia, it's nice to see you doing some homework!

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