728
730
148
100
3,749
4,000
65,481
70,000
Polly drove 438 miles to visit the Mall of America. About how many miles did she drive, rounded to the nearest ten?
440 miles
Estimate: 71 + 49 = ____
70 + 50= 120
8,722
8,720
1,618
1,600
21,536
22,000
22,189
20,000
Sweet Cakes Bakery made 1,745 cupcakes on Friday. About how many cupcakes did they make, rounded to the nearest hundred?
1,700
Estimate: 64 - 16= _____
60 - 20 = 40
41,573
41,570
31,852
31,900
17,065
17,000
842,543
840,000
The surface of the sun has a temperature of 10,345 degrees. What is this number rounded to the nearest hundred?
10,300
Estimate: 83 - 37= _____
80 - 40 = 40
948,454
948,450
729,117
729,100
583,671
584,000
489,795
490,000
A city's population is 35,512. What is this number rounded to the nearest thousand?
36,000
Alexander has 59 toys in his room. Tiffany has 42 toys in her room. Estimate how many toys do they have in total?
60 + 40 = 100
356,108
356,110
540,681
540,700
340,932
341,000
575,263
580,000
A cruise ships total number of passengers is 49,805. What is this number rounded to the nearest ten thousand?
50,000
Jeremy has 24 marbles. Joe has 74 marbles. Sasha has 48 marbles. About how many marbles do they have altogether?
20 + 70 + 50 = 140