Rounding to the nearest ten
Rounding to the nearest hundred
Subtraction
Addition
Put it together!
100
Round to the nearest ten: 52
50
100
Round to the nearest hundred: 105
100
100
300-100
200
100
25+92
117
100
How would you rewrite 20+20 using compatible numbers? Then solve.
25+25=50
200
Round to the nearest ten: 11
10
200
Round to the nearest hundred: 265
300
200
350-100
250
200
68+19
87
200
Round to the nearest hundred, then add: 51+236=
100+200=300
300
Round to the nearest ten: 230
230
300
Round to the nearest hundred: 250
300
300
645-201
444
300
241+621
862
300
Round to the nearest ten, then subtract: 88-44=
90-40=50
400
Round to the nearest ten: 509
510
400
Round to the nearest hundred: 478
500
400
564-371
193
400
332+991
1,323
400
Round these two numbers to the nearest then, then add them: 29+58=
30+60=90
500
Round to the nearest ten: 894
890
500
Round to the nearest hundred: 949
900
500
921-658
263
500
2561+628
3,189
500
Round to the nearest then, then solve: 54+61+17=
50+60+20= 130
M
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