Map Testing Review #1

Front

What is multiplication?

Back

Multiplication is a mathematical operation where a number is added to itself a certain number of times. For example, 3 x 4 means adding 3 four times: 3 + 3 + 3 + 3 = 12.

Tags

CCSS.3.OA.A.1

Front

What does it mean to divide?

Back

Division is the process of splitting a number into equal parts. For example, 20 ÷ 5 means splitting 20 into 5 equal parts, which equals 4.

Tags

CCSS.3.OA.A.2

Front

If a store has twice as many items of one type as another, how do you find the number of the second type?

Back

If there are 40 candy bars and they are twice as many as lollipops, you divide the number of candy bars by 2: 40 ÷ 2 = 20 lollipops.

Tags

CCSS.4.OA.A.2

Front

What is the equation for finding a missing number in multiplication?

Back

If you have a multiplication equation like 4 x ? = 20, you can find the missing number by dividing: 20 ÷ 4 = 5.

Tags

CCSS.4.NBT.B.6

Front

How do you solve for a missing number in an equation like 20 ÷ 5 = ?

Back

To find the missing number, you can multiply: ? x 5 = 20, which means ? = 20 ÷ 5 = 4.

Tags

CCSS.4.NBT.B.6

Front

What is an array in math?

Back

An array is a way to organize objects in rows and columns. For example, 3 rows of 4 objects each can be represented as 3 x 4.

Tags

CCSS.3.OA.A.1

Front

What is the total cost if you buy multiple items?

Back

To find the total cost, add the cost of each item together. For example, if pencils cost $6 and markers cost $5 each, and you buy 3 markers, the total is $6 + (3 x $5) = $21.

Tags

CCSS.3.OA.D.8

Front

What is the relationship between addition and subtraction?

Back

Addition and subtraction are inverse operations. If you know that 5 + 3 = 8, you can also say that 8 - 3 = 5.

Tags

CCSS.2.NBT.B.5

Front

What does it mean for two equations to have the same missing number?

Back

Two equations can have the same missing number if they represent the same relationship. For example, 20 ÷ 5 = ? and 5 + ? = 20 both have the same missing number.

Front

How do you find the cost of one item if you know the total cost and the number of items?

Back

To find the cost of one item, divide the total cost by the number of items. For example, if the total cost is $21 for 3 packages, then each package costs $21 ÷ 3 = $7.

Tags

CCSS.3.OA.A.2