Estimating
Estimate the sum of 34.561 and 8.12.
30+8=38
or
35+8=43
or
34.6+8.1=42.7
14.691 + 23.47=
38.161
What is 12.46 rounded to the nearest tenth?
12.5
Decompose 12.562 using decimals.
10+2+0.5+0.06+0.002
A student is asked to find the volume of a rectangular prism. Which of these describes what the student is being asked to do?
A) Find the number of unit cubes it takes to fill half the rectangular prism.
B) Find the number of unit cubes it takes to fill the entire rectangular prism.
C) Find the number of unit cubes it takes to equal the length of the rectangular prism.
D) Find the number of unit cubes it takes to equal the bottom of the rectangular prism.
B
Estimate the difference 24.93 and 12.461.
25-12=13
or
24.9-12.3=12.6
or
20-10= 10
12.4 + 4.361 + 32.04 =
48.801
Compare.
67.456 ____ 67.564
67.456 < 67.564
What is (2x100)+(3x1)+(4x1/10)+(7x1/1,000) in standard form?
203.407
What is the Volume?
L= 10 in
W= 2 in
H= 2 in
40 cubic inches
Evan has a recipe that calls for 14.86 ounces of milk and 10.342 ounces of chicken broth. ABOUT how many ounces of liquid does Evan need for the recipe?
15 + 10 = 25
or
14.9 + 10.3 = 25.2
3.267 meters
Write a number to make the comparison true.
68.94 > _____________
multiple answers
What is fifty-three and twelve thousandths in standard form?
53.012
What is the Volume?
L= 12 cm
W= 3 cm
H= 2 cm
72 cubic cm
Jerry walked 3.18 miles on Monday. He walked 1.294 miles on Tuesday. ABOUT how many miles did he walk both days?
3 + 1= 4 miles
or
3.2 + 1.3 = 4.5 miles
0.9 - 0.314 =
0.586
Round 45.678 to the nearest hundredths place.
45.68
A number has the digit 7 in its tenths place. What would be the value of the digit if it were moved 2 places to its left?
A) 0.07 B) 0.7 C) 7 D) 70
D) 70
What is the volume?
L=20 in
W= 2 in
H= 2 in
80 cubic inches
Where Sarah lives, the average high temperature is 94.27 degrees F. The average low temperature is 73.84 degrees F. What equation BEST estimates the difference between the high and low temperatures?
94-74=20
Riley and her dad catch two fish. The firs fish weighs 5.243 pounds. The second fish weighs 7.641 pounds. What is the combined weight of the two fish?
12.884 pounds
Round 789.44 to the nearest tenths.
789.4
Jean writes the number 5.863. John writes the number 5.638. How do the values of the 8s compare?
The 8 in 5.863 is 100 times the value of the 8 in 5.638.
or
The 8 in 5.638 is 1/100 the value of the 8 in 5.863.
What is the Volume?
L= 30 in
W=2 in
H=3 in
180 cubic inches