OA8/OA9 Review

Front

What is the total number of books Esdras bought at the book fair?

Back

Esdras bought a total of 36 books (11 adventure books + 25 mystery books).

Front

How many new books did Esdras buy if 18 of the books were used?

Back

Esdras bought 18 new books (36 total books - 18 used books).

Front

What digits do all odd numbers end with?

Back

All odd numbers end with the digits 1, 3, 5, 7, or 9.

Front

What is the product of 3 and 6?

Back

3 x 6 = 18.

Front

How can you find 3 x 60 using the product of 3 x 6?

Back

3 x 60 can be found by calculating 3 x 6 x 10.

Front

If there are 23 boys and 21 girls trying out for the basketball team, how many students are there in total?

Back

There are 44 students in total (23 boys + 21 girls).

Front

How many students didn't make the basketball team if only 5 made it?

Back

39 students didn't make the team (44 total students - 5 made the team).

Front

What is equal to 2 groups of 3 tens?

Back

2 groups of 3 tens is equal to 60 (2 x 30 = 60).

Front

What is the definition of an odd number?

Back

An odd number is an integer that is not divisible by 2.

Front

What is the definition of a product in mathematics?

Back

A product is the result of multiplying two or more numbers together.