Math 1 (1-3) Flashcards

Front

the value assigned to a digit based on its position in a number

Back

place value

Front

to find a number that is close in value to a given number by finding the nearest ten, hundred, or other place value

Back

round

Front

a close guess made using mathematical thinking

Back

estimate (noun)

Front

to make a close guess based on mathematical thinking

Back

estimate (verb)

Front

a straight line marked at equal spaces to show numbers

Back

number line

Front

the result of addition

Back

sum

Front

a number being added

Back

addend

Front

a strategy when you count on

Back

adding on

Front

models that represent numbers

Back

base ten blocks

Front

the sums you get in each step of the partial-sums strategy

Back

partial sums