Rounding to the nearest 10s
Rounding to the nearest 100s
rounding 100s to the nearest 10
Estimation addition
Estimation Subtraction
100
what is 31 rounded to the nearest tens
30
100
What is 102 rounded to the nearest hundreds
100
100

What is 109 rounded to the nearest ten

110

100

about how many is 46 + 23

50+20=70

100

About how many is 63-22?

60-20=40

200
What is 56 rounded to the nearest tens
60
200
What is 172 rounded to the nearest hundreds
200
200

What is 132 rounded to the nearest ten

130

200

about how many is 36+72

40+70=110


200

About how many is 75-26?

80-30=50


300
What is 45 rounded to the nearest tens
50
300
What is 789 rounded to the nearest hundreds
800
300

What is 556 rounded to the nearest ten?

560

300

about how many is 113+51

round to the nearest 10

110+50=160

300

About how many is 142-26?

round to the nearest 10

140-30=110

400
What is 15 rounded to the nearest tens
20
400
What is 541 rounded to the nearest hundreds
500
400

What is 888 rounded to the nearest ten

890

400

about how many is 222+ 33?

round to the nearest 10

220+30= 250

400

About how many is 175-54?

round to the nearest 10

180-50=130

500
What is 97 rounded to the nearest tens
100
500
What is 951rounded to the nearest hundreds
1,000
500

What is 999 rounded to the nearest ten

1,000

500

about how many is 360+420

round to the nearest 100

400+400=800

500

About how many is 980-420?

round to the nearest 100

1,000-400=600

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