Subtraction
Solve using a method of your choice:
461 - 253
208
Write this number in standard form:
Two hundred three thousand, four hundred fifty one.
203,451
Write this number in standard form:
100,000 + 30,000 + 5,000 + 900 + 20 + 1
135,921
Round to the nearest hundred:
489
500
How many millimeters are in 1 meter?
1,000 mm
Solve using a method of your choice:
809 - 157
652
Write this number in standard form:
Five hundred forty thousand, three hundred two
540,302
Write this number in standard form:
900,000 + 80,000 + 300 + 90 + 5
980,395
Round to the nearest thousand:
4,201
4,000
If I have 2,000 milliliters of lemonade, how many liters is that?
2 L
The third grade gymnastics team has 279 points. To go to finals they need 425 points or more. How many more points do they need to score to go to finals?
146 points
Write this number in standard form:
Ninety one thousand, eighty seven
91,087
Write this number in standard form:
1,000,000 + 800,000 + 3,000 + 500 + 40
1,803,504
Round to the nearest ten thousand:
96,301
If fourth grade runs a 5 kilometer race (a 5K) how many meters would we run?
5,000 meters
Eshkar's sister was born in 1996. How old will she turn this year?
Bonus: Her birthday is in November. How old is she right now?
2025-1996 = 29
This means she will turn 29 in 2025. Since her birthday is not until November, she is still 28.
Write this number in word form:
82,302
Eighty two thousand, three hundred two
Write this number in expanded form:
489,230
400,000 + 80,000 + 9,000 + 200 + 30
Round to the nearest thousand:
349,203
349,000
Airplanes typically fly about 13 kilometers high in the air. How many meters is that?
13,000 meters
Last year Monica's snake was 9.62 inches long. This year it is 12.37 inches long. How much did it grow since last year?
12.37-9.62 = 2.75 inches
Write this number in word form:
2,340,098
Write this number in expanded form:
250,484
200,000 + 50,000 + 400 + 80 + 4
Round to the nearest million:
989,841
1,000,000
1000 mm - 892 mm = 108 mm