Show:
Number Sense
More Number Sense
Addition and Subtraction
Multiplication and Division
Measurement
100
The value of a digit within a number.
What is place value?
100
The number written as a sum of the place values. 6,000 + 300 + 20 + 6
What is expanded form?
100
The answer to a subtraction problem.
What is difference?
100
This is a model showing multiplicaton.
What is an array?
100
16 ounces is equal to this unit of measure.
What is a pound?
200
To give an approximate answer, not a calculated answer.
What is estimate?
200
A set of steps used to solve a math problem.
What is an algorithm?
200
The answer in an addition problem.
What is sum?
200
The product of any number times 1 is that number. (Multiplying any number times 1 does not change the value of the number.) 67 x 1 + 67
What is the identity property of multiplication?
200
A standard measurement that is equal to 12 inches.
What is a foot?
300
Numbers that are easy to compute when you have a challenging problem.
What are compatable numbers?
300
Choosing numbers close to the numbers in a problem to make the computation easier. Then adjusting the answer for the numbers chosen. EX: 44 + 59 = 45 + 60 = ___ then - 2
What is compensation?
300
Addends can be grouped in any order and the sum will be the same. EX: 2 + 3 = 5 3 + 2 = 5
What is the commutative property of addition?
300
The product of any number and zero is zero. No matter the number, when you multiply it by zero, the product is zero.
What is the zero property of multiplication?
300
The amount a container can hold.
What is capacity?
400
A symbol or letter that stands for a number.
What is a variable?
400
In a number, a group of three digits separated by commas, starting from the right. EX: ones, thousands, millions
What is a period?
400
Adding any number to zero does not change the value of the number. 987 + 0 = 987
What is the identity property of addition?
400
The numbers multiplied together to find the product. EX: 2 X 4 = 8 2 and 4 are these
What are factors?
400
100 of this measurement is equal to a meter.
What is a centimeter?
500
Two operations that undo each other, or can be used in checking problems.
What is inverse operation?
500
When you write out a number using words. EX: three thousand, four hundred and three.
What is written form?
500
When you have to take a number from the next higher place to subtract. 765 - 99
What is regrouping or borrowing?
500
This is the inverse operation of multiplication.
What is division?
500
Two pints equals this measurement of capacity.
What is a quart?