Place Value
Rounding and Estimation
Real World
Addition
Subtraction
100
500 + 30 + 6 in standard form
536
100
Round 451 to the nearest ten and hundred.
450 and 500
100
Bob has 752 legos. George has 25 fewer legos than Bob. How many legos does George have?
George has 727 legos.
100
125+174
299
100
250-45
205
200
Put in order from greatest to least: 12,064 12,046 12,604 12,640
12,640 12,604 12,064 12,046
200
Round 575 to the nearest ten and hundred.
580 and 600
200
In 2016 Brookdale School had a total of 375 students enrolled. In 2017 Brookdale School had a total of 342 students enrolled. How many more students were enrolled in 2016?
33 more students.
200
672+132
804
200
375-125
250
300
Write 782 in expanded form.
700+80+2
300
Round 230 to the nearest hundred.
200
300
The 3rd grade classes are collecting data on rainfall. Mrs. Pico's class collected a total of 254 centimeters of rain over the course of a school year. Mrs. Jaffe's class collected a total of 117 centimeters of rain over the course of a school year. How many more centimeters did Mrs. Pico's class collect?
137 centimeters
300
312+234
546
300
567-120
447
400
Write 700+20+5 in standard form
725
400
Round 455 to the nearest ten.
460
400
2,500 people visit the Children's Museum on Monday. On Tuesday, there were 532 more people at the museum than on Monday. What is the total number of visitors for both days?
There were 5,532 visitors total for both days.
400
145+220
365
400
Mrs. Jaffe had 670 stickers in her sticker book. She gave 420 of them to Tatum. How many does she have left?
250
500
Fill in the missing numbers 145, 135, 125, 115, ____, _____
105, 95
500
Round 547 to the nearest ten.
550
500
Antonio has 754 songs in his audio device. He has 98 more songs than Luke. How many songs do they have in all?
They have 1,410 songs in all.
500
402+531
933
500
Alziney and Ryan each started with 500 stickers in the sticker books. Alziney gave 35 stickers away to a friend. Ryan gave 80 stickers away to a friend. How many stickers were they each left with? Who ended up having more and why?
Alziney: 465 Stickers Ryan: 420 Stickers Alziney had more.