Front

What is the units digit of 4^1997?

Back

4

Front

What does 2^n mean?

Back

2 is used as a factor n times. For example, 2^4 means 2 x 2 x 2 x 2 = 16.

Tags

CCSS.6.EE.A.1

Front

What is the units digit of 2^1997?

Back

2

Front

If Ashley gave Ben and Chris as much money as each had, and then they all ended up with $24, how much money did Ashley have to begin with?

Back

$39

Tags

CCSS.8.EE.C.7B

Front

What is the starting number if you multiply by 5, add 7, divide by 9, and the result is 8?

Back

13

Tags

CCSS.7.EE.B.4A

Front

How many 3-digit numbers have a tens digit that is less than the ones digit and a hundreds digit that is less than the tens digit?

Back

84

Tags

CCSS.4.NBT.A.2

Front

What is the definition of a units digit?

Back

The units digit is the digit in the ones place of a number.

Tags

CCSS.4.NBT.A.1

Front

How do you find the units digit of a power of a number?

Back

Look for patterns in the units digits of the powers of that number.

Tags

CCSS.3.OA.D.9

Front

What is the process to solve for an unknown in a sequence of transactions involving money?

Back

Set up equations based on the transactions and solve for the unknown.

Tags

CCSS.7.EE.B.4A

Front

What is the significance of the order of operations in mathematics?

Back

It determines the correct sequence to solve expressions and equations.

Tags

CCSS.7.NS.A.3