Place Value
Forms and Comparing
Words and Stuff
Rounding
Strategies
100
The value of the 7 in 307.
What is 7?
100
Expanded for for 1,439.
What is 1000+400+30+9?
100
A guess that has not yet been proven.
What is a conjecture?
100
The place value that we look at when rounding to the nearest 1,000.
What is the hundreds place?
100
The sum of 987+789.
What is 1,776.
200
The value of the digit to the left of any digit.
What is ten times the value?
200
Three ways a number can be written.
What is standard form, word form, and expanded form?
200
When we see this word(s), we know we should subtract.
What is (any subtraction key word).
200
39,230 rounded to the nearest ten thousand.
What is 40,000?
200
The difference of 45-8.
What is 37?
300
The order of the place value chart from right to left.
What is ones, tens, hundreds, thousands, ten thousands, hundred thousands.
300
The answer when I compare 9,009 and 9,090.
What is < (less than)?
300
The steps to do a problem is called this.
What is an algorithm?
300
205,000 rounded to the nearest 10,000.
What is 210,000?
300
A reasonable estimate for 5,198 + 3,098.
What is 8,300?
400
The value of both nines in 903,093.
What is 900,000 and 90?
400
The standard form of three hundred twenty-two thousand four hundred two.
What is 322,402?
400
What operation I use when I see the words "how many more" in a math problem.
What is subtract?
400
Three numbers that round to 4,500.
What are (any three numbers that correctly round to 4,500).
400
The sum of 74,609 + 2,091 + 138.
What is 76,838?
500
Each group of three in the place value chart is called this.
What is a period?
500
The place I look at when comparing 7,812 and 7,851.
What is the tens place?
500
The 7 steps in solving a word problem.
What are READ the entire problem; LIST what I know; DETERMINE what I need to find out; WRITE an equation; use the ALGORITHM; CHECK my answer; LABEL using units.
500
A reasonable estimate for 847,303.
What is 847,000?
500
The estimated sum for 67,444 + 81,091 + 98.
What is 148,500?