Rounding Decimals
This is 267.803 rounded to the nearest tenths place...
267.800
*Powers of 10
This is 267 shown in expanded form by powers of ten
(2x100) + (6x10) + (7x1)
This is a reasonable estimation of 789 x 62...
Must use mental math
48,000
Noah sent 26,321 texts in January, and sent 27,101 texts in February. If he sent 77,821 for January, February, and March, how many did he send in March?
24,399
This is 2,840.67 rounded to the nearest hundredths place...
2,840.67
*Powers of 10
This is 26.56 in expanded form...
(2x10) + (6x1) + (5x1/10) + (6x1/100)
This is a reasonable estimation of 1,989 x 18...
40,000
Calvin paints large and small paintings. He charges $56.25 for large paintings, and $25.80 for small paintings. If he sold six large, and three small paintings, how much money did he make in all?
$419.90
This is 787.256 rounded to the nearest hundredths place...
787.26
*Powers of 10
This is the expanded form of .787
(7x1/10) + (8x1/100) + (7x1,000)
This is a reasonable estimation of 7.9 x 6.1...
48
On Thursday the Meat King Market sold 210 pounds of ground beef. On Friday they sold twice that amount. On Saturday they only sold 130 pounds. How much more meat did they sell on Friday than Saturday?
290 lbs.