PS Quiz 1

CHOOSE THE CORRECT EQUATION TO SOLVE THE PROBLEM BELOW

• 87 x 47 =

• 87 - 47 =

• 47 + 87 =

Answer explanation

When you are given the total and one of the parts, you will subtract to find the other part.

CHOOSE THE CORRECT EQUATION TO SOLVE THE PROBLEM BELOW

• $5 + $5 + $2,435 =

• $2,435 x $5 =

• $2,435 - $5 =

Answer explanation

The total value of money is $2,435 split into $5 bills. Since we are making equal groups of 5, we will divide.

Choose the correct equation to solve the problem below.

• 143 + 158 =

• 158 + 175 =

• 143 + 158 + 175 =

• 175 - 143 =

Answer explanation

When a question asks for the total and has parts that are not equal, you add the numbers.

CHOOSE THE CORRECT EQUATION TO SOLVE THE PROBLEM BELOW

• 27 -9 =

• 27 + 9 =

• 27 x 9 =

Answer explanation

27 is the total number of students. They split into 9 equal sized groups. When we split into equal sized groups, we divide.

Remember...each by the question mark usually means divide.

CHOOSE THE CORRECT EQUATION TO SOLVE THE PROBLEM BELOW

• 75 + 23 =

• 75 - 23 =

• 75 x 23 =

Answer explanation

$75 is the total amount of money you will need. If you saved $23, you will subtract to find how much more you will need.

CHOOSE THE CORRECT EQUATION TO SOLVE THE PROBLEM BELOW

• 36 x 12 =

• 36 - 12 =

• 36 + 12 =

Answer explanation

The total number of eggs is 36. The eggs were split in groups of 12. When we split items into equal groups, we divide.

CHOOSE THE CORRECT EQUATION TO SOLVE THE PROBLEM BELOW

• 11 x 2 =

• 11 - 2 =

• 11 + 2 =

Answer explanation

If you are making 11 sandwiches and need 2 pieces of bread for each sandwich, you would multiply to find the total number of pieces.

CHOOSE THE CORRECT EQUATION TO SOLVE THE PROBLEM BELOW

• 4,506 - 28 =

• 4,506 + 28 =

• 4,506 x 28 =

Answer explanation

If you start with the total and use some, you will subtract what you use to find what is left.

CHOOSE THE CORRECT EQUATION TO SOLVE THE PROBLEM BELOW

• 20 + 16 =

• 20 - 16 =

• 20 x 16 =

• 20 + 16 + 16 =

Answer explanation

Lindsey bought 3 items. You will add all 3 items to find the total cost.

CHOOSE THE CORRECT EQUATION TO SOLVE THE PROBLEM BELOW

• 14 x 2 =

• 14 + 2 =

• 14 - 2 =

Answer explanation

14 stars is the total number of stars. We split them into 2 equal groups. When trying to find the number in each group, you will divide.

Each by the question mark, usually means to divide.