Number Sense
List the factors of 25 from least to greatest.
1, 5, 25
Estimate by rounding each number to the nearest ten thousand and then find the difference.
848,794 - 29,600 = x.
Estimate: 850,000 - 30,000 = 820,000
Difference: 819,194.
Which 2 fractions are equivalent to 6/10?
6/20, 12/10, 12/20, 6/30, 18/10, 18/30.
12/20 and 18/30
A tree's trunk has a width of 18 dm. How many centimeters is that?
180 cm
Enter the measure of the angle in degrees.
42/360
42 degrees
Is 9 a composite number? How do you know?
9 is a composite number because it has 3 factors: 1, 3,9. (a composite number is a number that has 3 or more factors)
Estimate by rounding each number to the nearest hundred thousand and then find the sum.
234,466 + 189,920 = x.
Estimate: 200,000 + 200,000 = 400,000
Sum: 424,386
Write < or >.
1/5 ? 1/8
1/5 > 1/8
Jill began her chores at 11:25 AM. She finished them 1 hour and 25 minutes later. At what time did Jill finish her chores?
12:50 PM
What us the measure of <XZW?
113 degrees
Memphis has a population of 676,640. a.What is the value of the digit 4? b. the value of the place that the digit 4 is in is how many times greater than the value of the place to the right?
a. 40 b. 10 times greater
Estimate by rounding the first factor to the nearest thousand. Then find the product.
8,185 x 6 =?
Estimate: 8,000 x 6 = 48,000
Product: 49,110
Which 2 expressions have the same value?
A. 1/5 + (1/2 + 4/5) B. 1/3 + 4/3 + 2/3
C. 2/6 + (4/6 + 3/6) D. 1/2 + 2
A and D
A= 2/10 + 5/10 + 8/10 = 15/10 = 2 5/10 or 2 1/2
D= 1/2 + 2 = 2 1/2
Joy's glasses each hold 8 fluid ounces. How many glasses of juice can Joy pour from a bottle that holds 3 quarts?
12
Jackie trimmed a piece of scrap metal to make a straight edge. What is the measure of the piece she trimmed off?
65 degrees
Enter the digit that can replace the #.
547 < 5#5 < 563
# = 5
Estimate and then find the product.
83 x 19 =?
Estimate: 80 x 20 = 16,000
Product: 1,577
Enter the product as a product of a whole number and a unit fraction.
2 x 4/6
8 x 1/6
What is the side length of a square with a perimeter of 72 meters?
18 m
How many obtuse angles does an obtuse triangle have?
1 obtuse angle
List the factor pairs for 56.
1 and 56, 2 and 28, 4 and 14, 7 and 8.
Divide and check.
3,484 / 4 = ?
Divide: 871
Check: 871 x 4 = 3,484
The mass of the smallest hummingbird is 1 1/2 grams. The mass of a larger hummingbird is 5 times the mass of the smaller one. What is the mass of the larger hummingbird?
5 x 1 1/2 = 5 x 3/2 = 15/2 = 7 1/2 grams.
Find the area of the combined rectangle. (see Mrs. Barbour for the picture)
92 square miles
What is the measure of the angle on the protractor?
75 degrees