OA8/OA9 Review

Front

All even numbers end with which digits?

Back

0, 2, 4, 6, 8

Front

If 3 x 4 = 12, how can you find 3 x 40?

Back

3 x 4 x 10

Front

What is 3 groups of 4 tens equal to?

Back

120

Front

Which product will be an even number: 3 x 1, 4 x 1, 5 x 1, or 7 x 1?

Back

4 x 1 = 4

Front

How many students didn't make the basketball team if there were 23 boys and 21 girls, and 5 made the team?

Back

39 students

Front

What is an even number?

Back

A number that can be divided by 2 without a remainder.

Front

What is a group of ten called in mathematics?

Back

A decade.

Front

What is multiplication?

Back

A mathematical operation where a number is added to itself a certain number of times.

Front

What is the product of 4 and 5?

Back

20

Front

What is the sum of 23 and 21?

Back

44