1. lf you substract thirteen from ninety you get ………………… .
2. lf you substract sixty from two hundred you get ………………. .
3. lf you substract seven from eighty you get …………………. .
4. lf you substract nineteen from seventy one you get …………………..
.
5. lf you substract eighty – five from nine hundred you get ………………… .

Multiply

1. lf you multiply six by six you get ……………….. .
2. lf you multiply seven by thirteen you get ……………………… .
3. lf you multiply eighty by eighty you get ……………………. .
4. lf you multiply zero by sixty – five you get ……………………. .
5. lf you multiply one by a hundred eighty five you get ………………….. .

Answers:
1. seventy seven 2. a hundred forty 3. seventy three
4. fifty – two 5. eight hundred fifteen
1. thirty six 2. eighty one 3. one thousand six hundred
4. zero 5. a hundred eighty five

Activity Exercise

Solve these problems.
1. There are eighty dogs in a room. I want to buy shoes for them. How many pairs of shoes should I buy?
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2.

Mine has got eighty one stamps. She wants to put them on different pages equally in an album. How many pages does she need?
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3.

There are seventeen birds on our roof. Nine of them şy away. How many birds are there on our roof now?
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4.

I have got five liras and I need notebooks. There are notebook, in a shop near our school and they are 0.75 kr each. How many notebooks can I buy with my money?
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5.

There are six people on the bus. At the first bus stop two people get off and five people get on. At the second bus stop two people get on.
How many people are there on the bus now?

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Answers:

1. 160 pairs of shoes 2. 9 pages 3. 8 birds
4. 6 notebooks 5. 11 people

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