Place Value
Rounding
Addition
Subtraction
California Dreaming
100
Name the first 7 place values
Ones, Tens, Hundreds, Thousands, Ten Thousands, Hundred Thousands, Millions
100

Round to the nearest hundred: 51,123

51,100

100

Add 6,311 + 1,268 =

7,579

100

2,159 - 1,701 =

458

100

California became a state in 1850. How many years ago was that?

171 years

200
What is the Value of the digit 4 in the number: 834,956
4 Thousands, or 4,000
200

Round to the nearest Thousand: 4,479

4,000

200
297 + 1,329 =
1626
200
3,492 - 2,341 =
1,151
200

In 2020, California had 39,538,223 people. In 2010, we had 37,270,000 people. How many more people did our state have in 2020?

2,268,223 people

300
Arrange the following numbers in order, beginning with the smallest 504,054 4,450 505,045
4,450 504,054 505,045
300

Round to the nearest Thousand: 71,621

72,000

300
755,206 + 89,814 =
845,020
300
23,422 - 11,510 =
11,912
300

Dustin's family leaves on a road trip to San Francisco at 10 a.m., and they arrive at 4:46. They made no stops. How long did it take them to get to San Francisco?

6 hours 46 minutes

400
Compare the values of each 5 in the number 956,502
one 5 is worth 50,000 the other 5 is worth 500 500 < 50,000
400

Round to the nearest Ten Thousand 427,121

427,000

400
40,762 + 30,473 =
71,235
400
4,625 - 435 =
4,190
400

Chase Stadium, where the Golden State Warriors play, can hold up to 18,064 people. The Staples Center can hold 20,000 people. How many more people can fit in the Staples Center?

1,936 people

500
Compare using > < or = 234 thousands + 7 ten thousands ____ 389,000
304,000 < 389,000
500

Round to the nearest Ten Thousands place: 973,213

970,000

500
392 + 281 + 25 =
698
500
219,925 - 121,705 =
98,220
500

Los Angeles has a population of 3,983,540 people. San Francisco has a population of 874,961, while Oakland (a nearby city) has a population of 425,097. How many more people live in Los Angeles than in San Francisco and Oakland combined?

2,683,482 more people 

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