Estimater
104 + 388 is about this number.
What is about 500?
241 + 354 =
What is 595?
Double 230
Using the tens strategy:
18 x 5
DAILY DOUBLE
Using the tens strategy:
9 x 16 =
What is 144?
248 + 404 is about this number.
What is about 650?
672 + 216 =
What is 888?
Double 1,200
What is 2,400?
Using the tens strategy:
26 x 5
What is 130?
Using the tens strategy:
29 x 8
What is 222?
If 288 cars passed the school Wednesday morning and 291 passed the school Wednesday afternoon, estimate the total number of cars that passed the school on Wednesday.
What is about 600 cars?
DAILY DOUBLE!
23,072 + 4,293 =
What is 27,365?
*Don't forget to regroup*
Double 112
What is 224?
Using the tens strategy:
220 x 5
What is 1,100?
Using the tens strategy:
59 x 4 =
What is 234?
87 people attended a theater production on Friday morning. 127 people attended the theater production on Wednesday morning. 108 people attended the theater production on Friday afternoon. Estimate the total number of people who attended the theater production on Friday.
What is about 225 people? (200-250 is acceptable)
40,854 + 10,237 =
What is 51,091?
Double 348
What is 696?
Using the tens strategy:
68 x 5
What is 340?
Using the tens strategy:
John pays $39 per month for his Netflix account (ultra premium). He will spend this much after 7 months.
What is $273?
1,317 people got the grilled chicken sandwich in week 1 and 1,205 people got the veggie burger. If the same number of people buy the veggie burger each day, estimate the total number of people who buy the veggie burger over 5 weeks.
Estimate: 1,200 x 5 = 6,000
587 people attended a theater production on Friday morning. 634 people attended the theater production on Wednesday morning. 908 people attended the theater production on Friday afternoon. What is the total number of people who attended the theater production on Friday?
What is 1,495?
587 + 908 = 1,495
Double 573
What is 1,146?
Using the tens strategy:
74 x 5 =
What is 370?
Using the tens strategy:
Bill pays $26 a month for his phone plan. How much will he pay over 9 months.
What is $251?