Which of the following numbers are divisible by 15?
60, 132, 330, 405, 725, 930
60, 330, 405, 930
400
Write 6,010,430,109 in word form.
Six billion, ten million, four hundred thirty thousand, one hundred nine
400
Explain why 3.120 is equal to 3.12, but not equal to 3.012.
The 0 at the end of 3.120 can be erased and the value of the number does not change. A 0 in the middle cannot be removed because it is a placeholder for a value; removing it would change the number.
- or -
You can put a 0 at the end of 3.12 without changing the value of the number. A 0 in the middle of a number acts as a placeholder for a value, and the number changes if we remove it.
400
7.89 is 7.886 rounded to which place value?
Hundredths
400
Order the following numbers from least to greatest.
23.71
23.07
23.001
23.017
23.701
23.001
23.017
23.07
23.701
23.71
400
Which of the following numbers are divisible by both 2 and 3?
16, 72, 126, 386, 450, 791, 822
72, 126, 450, 822
500
I am thinking of a number. The number I am thinking of has a 3 in the hundreds place, 2 more millions than hundreds, twice as many thousands than hundreds, 2 more ten thousands than thousands, and half as many ones than ten thousands. What is the number I am thinking of? If I did not mention a place value, then there is a zero in that place.
5,086,304
500
Write the fraction equivalent for 3.0190.
3 (and) 19/1000
500
A number is rounded to the nearest ten thousands place to give 1,340,000. Give a range of numbers that includes the original number.
__________ to __________
1,335,000 to 1,344,999.
500
The host will hand out a number line that is missing its scale. Make a suitable scale for the number line. The scale you make must work with the marked number. All boxes must contain an answer.
See answer sheet from host.
500
Which of the following numbers are divisible by both 2 and 5, but NOT by 3?
10, 24, 120, 350, 575, 730, 960