7.4 Independent

Front

Erika saw 16 frogs on a lily pad and 8 frogs in the mud. If 7 of the frogs hop away, how many frogs will be left?

Back

17 frogs left.

Front

There are 6 red birds and 17 brown birds in a tree. If 8 more brown birds come, how many birds will there be in all?

Back

31 birds in the tree.

Front

Carmen found 14 shells on Monday and 15 more shells on Tuesday. She found 6 more shells on Wednesday. How many shells did she have then?

Back

Carmen found 35 shells.

Front

Kevin has 15 photos in his scrapbook. He adds 21 photos. Then Kevin takes out some photos. Now he has 28 photos in the scrapbook. How many photos did Kevin take out?

Back

Kevin took out 8 photos.

Front

There are 35 test questions. Kyle answers 10 of the questions. Then he answers 12 more questions. How many more questions does Kyle still need to answer?

Back

Kyle needs to answer 13 more questions.

Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Front

What is subtraction?

Back

Subtraction is the process of finding the difference between two numbers by taking one number away from another.

Front

What does 'total' mean in math?

Back

Total means the sum or result of adding numbers together.

Front

What is a 'sum'?

Back

A sum is the result of adding two or more numbers.

Front

What is a 'difference'?

Back

A difference is the result of subtracting one number from another.