Addition & Subtraction Represent & Solve Test (3.4A/3.5A)

Front

What is the number sentence that represents the addition of three numbers?

Back

The number sentence is written as: a + b + c = ?

Front

If Erika practiced for 117 minutes on Sunday and 58 minutes on Tuesday, how do you calculate the remaining minutes she needs to reach her goal of 300 minutes?

Back

Subtract the total minutes practiced from the goal: 300 - (117 + 58) = 125 minutes remaining.

Front

What equation can be used to find the remaining balance in a bank account after a withdrawal?

Back

Remaining Balance = Initial Amount - Amount Withdrawn.

Front

How can you represent the concept of subtraction using a number line?

Back

A number line can show the starting number and the amount subtracted, leading to the remaining number.

Front

What is the relationship between addition and subtraction in terms of inverse operations?

Back

Addition and subtraction are inverse operations; if you add a number and then subtract the same number, you return to the original number.

Front

How do you represent a word problem involving addition with a number sentence?

Back

Translate the words into numbers and operations, e.g., 'John has 5 apples and buys 3 more' becomes 5 + 3 = ?.

Front

What is a strip diagram and how is it used in solving addition problems?

Back

A strip diagram visually represents the parts of a whole, helping to illustrate the addition of different quantities.

Front

In a word problem, how do you identify the key information needed to solve it?

Back

Look for numbers, operations (like 'total', 'left', 'more'), and the question being asked.

Front

What is the total number of people who left the library if there were originally 25 and 13 remained?

Back

Total people who left = Original number - Remaining number = 25 - 13 = 12.

Front

How can you check your answer after solving an addition or subtraction problem?

Back

You can check your answer by reversing the operation; for addition, subtract the sum from one of the addends.