Topic 2 Vocabulary

To align decimal points in a decimal addition problem, annex zeros to write ____ so that all addends have the same number of decimal places. a) equivalent decimals or b) compatible numbers

Decimal numbers that name the SAME part of a whole or the SAME point on a number line are called ___. a) decimals or b) equivalent decimals

The ___ states that addends can be REGROUPED and the sum (answer) remains the same. a) Associative Property or b) Commutative Property of Addition

You can replace the values in a problem with _______ so that it’s easier to use mental math to complete the computation. a) compensation or b) compatible numbers

The states that addends can be added in any order and the sum remains the same. a) Associative Property or b) Commutative Property of Addition

The product that results from multiplying the same number over and over is a(n) of that number. a) power or b) base

Sum is ___. a) the answer to an addition problem or b) the answer to a subtraction problem

When you adjust one number and change another number in the problem to make a computation easier, you use _____. a) compensation or b) compatible numbers

A digit in the hundredths place has ten times the value of the same digit in the ___ place. a) tenths or b) thousandths

Difference is _______. a) the answer to an addition problem or b) the answer to a subtraction problem

The ____ of a digit in a number depends on its place in the number. a) value or b) exponent

In 10^5, the number 10 is the ___. a) base or b) exponent