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English 16 Public

Addition & Subtraction within 20

Study Slideshow

Eleven plus two equals ____.

Thirteen

Twelve

15

Fourteen plus five equals ____.

Nineteen

Twenty

15

Fifteen plus five equals ____.

Twenty

Nineteen

15

Twelve plus four equals ____.

Sixteen

Seventeen

15

Ten plus eight equals ____.

Seventeen

Eighteen

15

Thirteen plus three equals ____.

Fifteen

Sixteen

15

Sixteen minus five equals ____.

Eleven

Twelve

15

Eighteen minus five equals ____.

Twelve

Thirteen

15

Twenty minus four equals ____.

Sixteen

Fifteen

15

Nineteen minus seven equals ____.

Twelve

Fourteen

15

Nineteen minus two equals ____.

Seventeen

Sixteen

15

Eighteen minus three equals ____.

Fifteen

Fourteen

15

There are 11 white cats. There are 7 black cats. How many cats are there altogether?

There are 18 cats altogether.

There are 20 cats altogether.

15

There are 19 birds. 4 of them are blue. The rest are green. How many green birds are there?

There are 14 green birds.

There are 15 green birds.

15

There are 12 red ants. There are 6 black ants. How many ants are there altogether?

There are 19 ants altogether.

There are 18 ants altogether.

15

There are 16 fish. 5 of them are red. The rest are blue. How many blue fish are there?

There are 12 blue fish.

There are 11 blue fish.

15