Unit 3 Practice Review

Front

What is the equation to represent the problem of finding how many items were given away when starting with a total and ending with a lesser amount?

Back

The equation is: Starting Amount - Given Away = Remaining Amount.

Tags

CCSS.1.OA.A.1

Front

How do you calculate the number of groups when given a total and the size of each group?

Back

Divide the total number of items by the size of each group: Total Items ÷ Group Size = Number of Groups.

Tags

CCSS.3.OA.A.2

Front

What is the formula to find the missing addend when the total and one addend are known?

Back

The formula is: Total = Known Addend + Missing Addend, which can be rearranged to Missing Addend = Total - Known Addend.

Tags

CCSS.1.OA.A.1

Front

How do you calculate the total cost of multiple items with different prices?

Back

Multiply the quantity of each item by its price and then sum all the costs: Total Cost = (Quantity1 × Price1) + (Quantity2 × Price2) + ...

Tags

CCSS.3.OA.D.8

Front

What is the process to find the total number of items when given a partial count and the total?

Back

Subtract the partial count from the total: Total Items - Partial Count = Remaining Items.

Tags

CCSS.2.OA.A.1

Front

What is the significance of understanding the concept of 'remaining amount' in word problems?

Back

It helps in formulating equations to solve for unknown quantities in real-life scenarios.

Tags

CCSS.6.EE.B.7

Front

How can you represent a problem involving a total number of items and a specific number of items left?

Back

Use the equation: Total Items - Items Given Away = Items Left.

Tags

CCSS.2.OA.A.1

Front

What is the method to determine how many items are needed to reach a specific total?

Back

Subtract the current total from the desired total: Needed Items = Desired Total - Current Total.

Tags

CCSS.2.OA.A.1

Front

How do you approach a problem that involves distributing items evenly among groups?

Back

Use division to find out how many items each group receives: Total Items ÷ Number of Groups = Items per Group.

Tags

CCSS.3.OA.A.2

Front

What is the importance of understanding unit prices in calculating total costs?

Back

Unit prices allow for comparison of costs and help in budgeting for multiple purchases.

Tags

CCSS.6.RP.A.3B