On a numberline round 78 to the nearest ten.
80
Round 201 to the nearest hundred.
200
Round to the nearest hundred to estimate the sum.
223
+178
200 + 200 = 400
Round to the nearest hundred to estimate the difference.
743
-544
700 - 500 = 200
A backpack costs thirty-eight dollars. A pair of shoes costs $83. Which item costs more money?
shoes
Round 35 to the nearest ten.
40
Round 406 to the nearest hundred.
400
Round to the nearest 100 and estimate the sum.
1 4 7
+ 4 0 6
100 + 400 = 500
Round to the nearest 100 and estimate.
6 6 7
− 8 4
700 - 100 = 600
Tell the value of each underlined digit
466
234
125
60
200
5
10
On a numberline round 962 to the nearest hundred.
1,000
Round to the nearest 10 and estimate the sum.
2 3 9
+ 6 6 1
240 + 660 = 900
Estimate the difference of 661 − 309 two different ways.
660 - 310 = 350
700 - 300 = 400
Order the heights of the students from least to greatest. Which student is the shortest? Which student is the tallest?
A - 143 in
B - 141 in
C - 134 in
134 in, 141 in, 143 in
shortest: C
tallest: A
Round 199 to the nearest 10.
200
Round 57 to the nearest hundred.
100
At a movie theater, 176 people watch comedies, 282 people watch action movies, and 209 people watch mystery movies. Round to the nearest hundred to estimate the total number of people at the movie theater.
200 + 300 + 200= about 700 people
A pine tree is 876 inches tall. An oak tree is 644 inches tall. Round to the nearest ten to estimate how much taller the pine tree is than the oak tree.
880 - 640 = 240 inches taller
Descartes rounds 354 to 350. To what place does he round?
tens place
Round 3,483 to the nearest ten.
3,480
Round 3,560 to the nearest hundred.
3,600
A gift shop owner sells 226 magnets, 289 teddy bears, and 262 greeting cards. Round to the nearest 10 to tell about how many items does the owner sell?
230 + 290 + 260 = 780 items
Workers are repairing 900 miles of road. They complete 214 miles one month and 355 miles the next month. About how many more miles do they have left to repair?
210 + 360 = 570 --> 900 - 570 = 330 more miles
OR
200 + 400 = 600 --> 900 - 600 = 300 more miles
Newton says 287 + 164 is about 500. Did Newton round to the nearest ten or to the nearest hundred to estimate the sum?
nearest hundered