ESTIMATING
Estimate 9,241 - 2,446 to the nearest hundred.
9,200-2,400= 6,800
9,000-4,837=
4,163
12,235-999=
11,236
87,451+73,984=
161,435
Adelin and Cristal sell 9,250 cookies on Monday.They sell 3,928 cookies on Tuesday. If they sold 20,000 cookies in all during 3 days, how many cookies did they sell Wednesday.
Step 2: 20,000-13,178=6,822 cookies on Wednesday
Estimate to the nearest ten thousand.
789,390+19,122
790,000+20,000=810,000
48,321-7,988=
40,333
161,435+627,359
788,794
Luisito tracks the number of cars in that pass the school each day. 2,463 cars passed the school the first day, 4,723 cars passed in the lot the second day. If 9,300 cars passed the school in all 3 days, how many cars passed on the third day?
Step 1: Add day 1 and Day 2
2463+4723=7,186
Step 2: Subtract from total cars.
9,300-7186=2,114 cars passed on the 3rd day.
The table below shows the number of students at each summer camp. Write an expression to show best ESTIMATE of the total number of students at Bronx Summer Camp and Brooklyn Summer Camp?
Bronx Summer Camp: 1,234
Brooklyn Summer Camp:1,875
Manhattan Summer Camp: 2,222
1,200+1,800=3,000
1,000+2,00=3,000
193,000-38,987
154,013
Miguel earned 958,931 points playing a game and his friend Yaniel earned 888,888 points. How many more points did Miguel earn than Yaniel?
954,931-888,888=66,043 points
During a race, Sherline's team ran a total of 2,400 meters and the Mohammed's team ran a total of 1,900 meters. What was the total distance covered by both teams?
2,400+1,900= 4,300 meters
Justin collected 10,275 baseball cards and 23,912 football cards. His goal is to collect 40,000 cards. How many more cards does Justin need to reach his goal?
Step 1: Add the cards he has to get the total amount he has already.
10,275+23,912=34,187
Step 2: Subtract from 40,000
40,000-34,187=5,813
The information below shows the number of cupcakes Arshiya’s cupcake stand sold this weekend. What is the best estimate for the number of cup cakes Arshiya sold on both Friday and Sunday altogether?
FRIDAY: 4,923
SATURDAY: 1,234
SUNDAY: 9,002
5,000+9,000=14,000
Miss Hovanec made 4,000 copies of the fourth grade concert program. If 2,723 were passed out to parents during the concert, how many programs were left?
4,000-2,723=1,277 programs
On Monday, 47,910 people attended a soccer game. Only 21,950 people attended the game on Wednesday. How many more people attended the game on Monday than the game on Wednesday?
47,910-21,950=19,960
In February, Taisha recycled 5,389 cans. In March, Taisha recycled 3,445 cans. What is the total number of cans the Taisha recycled?
5,389+3,445=8,834
Ashley recorded the number of dogs she saw in the park over two summers. How many more total dogs did Ashley see this year than last year?
Last year: Corgis: 544 Golden Doodles 988
This Year: Corgis: 777 Golden Doodles: 1,459
Step 1: add the dogs from this year together and add the dogs from last year.
Last year 544+988=1,532
This Year 777+1,459=2,236
Step 2: Subtract this year from last year.
2,236-1,532=704 more dogs.