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Front

What is the value of a digit in a number based on its place value?

Back

The value of a digit is determined by its position in the number. For example, in the number 4,567, the digit 5 is in the hundreds place, so its value is 500.

Tags

CCSS.4.NBT.A.1

Front

How do you add large numbers together?

Back

To add large numbers, align the numbers by their place values (ones, tens, hundreds, etc.) and add each column starting from the right, carrying over any value greater than 10 to the next column.

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

What is the process for subtracting two numbers?

Back

To subtract two numbers, align them by their place values and subtract each column starting from the right, borrowing from the next column if necessary.

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

How do you multiply two numbers?

Back

To multiply two numbers, you can use the standard algorithm: multiply each digit of the bottom number by each digit of the top number, and then add the results together, taking care to align them by place value.

Tags

CCSS.4.NBT.B.5

Front

What is the relationship between multiplication and division?

Back

Multiplication and division are inverse operations. If a × b = c, then c ÷ b = a and c ÷ a = b.

Tags

CCSS.4.NBT.B.6

Front

How do you find the product of two numbers?

Back

To find the product, multiply the two numbers together using either the standard algorithm or other methods such as area models or repeated addition.

Tags

CCSS.4.NBT.B.5

Front

What is a word problem in mathematics?

Back

A word problem is a mathematical question presented in the form of a story or real-life scenario that requires interpretation and problem-solving skills to find a solution.

Tags

CCSS.HSA.CED.A.1

Front

How do you determine the least number of packs needed when buying items in bulk?

Back

To determine the least number of packs needed, divide the total number of items by the number of items per pack and round up to the nearest whole number if there is a remainder.

Tags

CCSS.3.OA.A.3

Front

What is the concept of 'over' in a word problem?

Back

'Over' refers to the amount that exceeds a certain number after performing a calculation, such as how many items are left after distributing them evenly.

Tags

CCSS.3.OA.A.3

Front

How do you solve for an unknown in a multiplication problem?

Back

To solve for an unknown in a multiplication problem, you can divide the known product by one of the factors to find the missing factor.

Tags

CCSS.3.OA.A.4