1. Mental Math Rounding Numbers to the Nearest Hundred and Thousand

2. Instructions First you need a piece of paper and a pencil. Please write your name, date and class at the top. Mental math isn’t about your hand its about your head. Its fine if you find a few of them difficult! If you can’t get an exact answer make an estimate.

3. A little laugh before we start…

4. Specific Instructions You will see TWO lists of 10 numbers. In the FIRST LIST round each number to the nearest hundred. In the SECOND LIST round each number to the nearest thousand. You will have 2 minutes.

5. Sept.8, 2011 – sheet #1 1)683 2)564 3)912 4)500 5)101 6)867 7)549 8)098 9)425 10)449

6. Sept.8, 2011 – sheet #2 1)1203 2)7816 3)4899 4)2673 5)2410 6)8551 7)3549 8)3777 9)5037 10)1999

7. Sept.8, 2011 – sheet #1 ANSWERS 1)683=700 2)564=600 3)912=900 4)500=500 5)101=100 6)867=900 7)549=500 8)098=100 9)425=400 10)449=400

8. Sept.8, 2011 – sheet #2 ANSWERS 1)1203=1000 2)7816=8000 3)4899=5000 4)2673=3000 5)2410=2000 6)8551=9000 7)3549=4000 8)3777=4000 9)5037=5000 10)1999=2000