Number Sense Fluency Triads

Front

What is number sense?

Back

Number sense is the ability to understand, relate, and connect numbers in a flexible way, allowing for the ability to perform mental math and make estimates.

Front

How do you determine if a number is closer to another number?

Back

To determine if a number is closer to another number, calculate the absolute difference between the two numbers and compare it to the difference between the number and other reference points.

Tags

CCSS.4.OA.A.3

Front

What is the order of operations in mathematics?

Back

The order of operations is a set of rules that dictates the sequence in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right), often abbreviated as PEMDAS.

Tags

CCSS.7.NS.A.3

Front

What does it mean for a number to be exactly in between two other numbers?

Back

A number is exactly in between two other numbers if it is the average of those two numbers, calculated as (a + b) / 2.

Front

How do you evaluate an expression with parentheses?

Back

To evaluate an expression with parentheses, first perform the operations inside the parentheses, then follow the order of operations for the remaining calculations.

Tags

CCSS.7.NS.A.3

Front

What is the result of 5x(9+2)?

Back

The result of 5x(9+2) is 55, because first you calculate (9+2) which equals 11, and then multiply 5 by 11.

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

What is the concept of estimation in mathematics?

Back

Estimation is the process of finding an approximate value that is reasonably close to the actual value, often used to simplify calculations.

Front

How do you perform subtraction with multiplication involved?

Back

To perform subtraction with multiplication, first calculate the multiplication, then subtract the result from the other number.

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

What is the significance of absolute value in determining closeness?

Back

Absolute value measures the distance of a number from zero on the number line, which helps in determining how close a number is to another number.

Tags

CCSS.6.NS.C.7C

Front

What is the difference between exact and approximate values?

Back

Exact values are precise and accurate, while approximate values are close estimates that may not be exact.

Tags

CCSS.7.EE.B.3