Rounding
Round the following number to the nearest 100,000.
a) 509,260
a) 500,000
Write the following fractions as decimals:
a) 55/100
b) 33/100
c) 45/100
a) 0.55
b) 0.33
c) 0.45
True or false?
a) 2.3 < 2.30
b) 0.41 > 0.4
a) False
b) True
What is the value of 8 in the following numbers?
a) 6,875
b) 8,594
c) 40,386
a) 800
b) 8,000
c) 80
Find the sum.
432 + 143 = ?
575
Round the following number to the nearest 100,000.
76,291
100,000
Which of the following are equivalent to 60/100?
a) 0.6
b) 3/10 + 2/100 + 1/10
c) 0.06
d) 6/10
e) 20/100 + 4/10
f) 0.66
True or false?
a) 0.07 > 0.20
b) 7.06 = 7.60
a) False
b) False
Pine Valley Elementary School has 368 students. Pine Valley High School has 10 times the number of students. How many students are at Pine Valley High School? Explain or show your reasoning.
368 x 10 = 3,680
Find the difference:
4,789 - 2,324 = ?
2,465
Round the following number to the nearest 100,000, 10,000, and 1,000, 100, and 10
385,273
100,000: 400,000
10,000: 390,000
1,000: 385,000
100: 385,300
10: 385,270
Find the missing numbers:
a) List all the numbers between 1.10 and 1.20
b) List all the numbers between 7.5 and 7.6
a) 1.11, 1.12, 1.13, 1.14, 1.15, 1.16, 1.17, 1.18, 1.19
b) 7.51, 7.52, 7.53, 7.54, 7.55, 7.56, 7.57, 7.58, 7.59
Which numbers are in order from LEAST to GREATEST?
a) 0.08, 0.90, 0.18, 0.19, 1.80, 1.09
b) 0.10, 0.11, 1.05, 1.10, 1.15, 1.50
B
The distance from Ankeny to my hometown is 115 miles. The distance from Ankeny to Disney World in Orlando, Florida is 10 times as far. How many miles is it from Ankeny to Orlando?
115 x 10 = 1,150 miles
Find the sum.
6,372 + 1,919 = ?
Round the following number to the nearest 100,000, 10,000, and 1,000, 100, and 10:
531,619
100,000: 500,000
10,000: 530,000
1,000: 532,000
100: 531,600
10: 531,620
Equivalent or not equivalent?
a) 3/10 and 30/100
b) 0.5 and 5/100
c) 0.06 and 6/10
a) equivalent
b) not equivalent
c) not equivalent
Put the following decimals in the correct order from LEAST to GREATEST.
0.56, 0.55, 0.50, 1.50, 1.06, 1.56
0.50, 0.55, 0.56, 1.06, 1.50, 1.56
Which statements correctly compare the numbers?
A) 12,987 > 21,987
B) 56,400 > 56,300
C) 32,114 > 23,114
D) 183,999 > 183,899
E) 307,500 > 703,500
F) 446,232 > 448,232
B,C,D
Find the difference:
8,349 - 4,156 = ?
4,193
Decide whether the statements are TRUE or FALSE.
a) 156,325 can be rounded to both 160,000 and 156,000.
b) 280,617 can be rounded to both 300,000 and 281,000.
c) 76,228 can be rounded to both 100,000 and 70,000.
d) 25,964 can be rounded to both 20,000 and 26,000.
a) True
b) True
c) False
d) False
During a race at recess, Julie ran a lap around the track in 23.6 seconds. Her friend Andrew ran the lap in 23.7 seconds. Jen’s time was less than Andrew’s but more than Julie’s. What could Jen’s time be?
23.61, 23.62, 23.63, 23.64, 23.65, 23.66, 23.67, 23.68, 23.69
Put the following fractions and decimals in order from LEAST to GREATEST.
3/100, 1 3/100, 0.37, 1.07, 1 37/100, 0.30
3/100, 0.30, 0.37, 1 3/100, 1.07, 1 37/100
Put the numbers in order from GREATEST to LEAST.
26,899; 261,453; 162,453; 62,892
261,453 162,453 62,892 26,899
Find the difference:
80,080 - 7,956 = ?
72,124