Representing Decimals
Comparing Decimals and Decimal Places
Number Names
Reasoning and Rounding
Adding and Subtracting Decimals
100
Find the value of this number, if the biggest block is equal to 1 whole.
1.24
100
Khamani bought 1.32 pounds of red grapes. Sadaf bought 1.23 pounds of green grapes. Did they buy the same amount of grapes? If not, who bought more? Explain how you know.
Khamani bought more. .3>.2
100
Write the numeral in standard form:
Twenty-four and eighty-three thousandths
24.083
100
Jahlil opened a bakery that only sells lemon cake. In his first year in business, he sells 3.41 x103 pieces of lemon cake. How many pieces of cake did he sell?
3,410
100
Christina is writing a book. She wrote for 1.38 hours on Saturday and 2.04 hours on Sunday. Find the total time she wrote over the weekend.
3.42 hours
200
Find the value of this number if the smallest block is equal to 1 whole.
124
200
Which symbol: <, >, or = ? Be ready to explain.
7.2 x 103 _______ 72,000
<
200
Write 38.204 in expanded form.
(3x10)+(8x1)+(2x1/10)+(4x1/1000)
200
On a test, a student solved 9.3 x 103 and wrote 93,000.
1. Explain the student's mistake.
2. Tell the correct answer.
1. The student added 3 zeros instead of moving the decimal point to the right 3 times. They multiplied by 4 powers of 10 instead of 3.
2. The correct answer= 9,300
200
Nate is making fruit salad for a party. He used 1.209 lb of pineapple, 0.67 lb of blueberries, 1.4 lb of strawberries, and 1.08 lb of grapes.
Find the total weight of the fruit salad.
1.209
0.670
1.400
+1.080
4.359 lb
300
Find the value of this number if the largest block is equal to 1 whole.
1.032
300
Which symbol: <, >, or = ? Be ready to explain.
7.04 x 102 _______ (7x100)+(4x1/100)
>
300
A number has a 3 in the ones place. The number also contains a digit whose value is 1/100 the value of the 3 in the ones place. Which could be the expanded form of the number?
(3 x 100) + (4 x 10) + (3 x 1) + (6 x 0.1)
(8 x 10) + (3 x 1) + (7 x 0.1) + (3 x 0.01)
(3 x 100) + (3 x 1) + (4 x 0.1) + (9 x 0.001)
(6 x 10) + (5 x 1) + (3 x 0.1) +(3 x 0.01)
2. (8 x 10) + (3 x 1) + (7 x 0.1) + (3 x 0.01)
300
Makhdiya is thinking of a mystery number. The nearest whole number is 9, but rounded to the nearest tenth, it is 8.6. Which could be her number?
a) 9.2 c) 8.55
b) 8.8 d) 8.71
c) 8.55... The 5 in the hundredths place tells you to round to 8.6, but if rounding to the nearest whole number, the 5 in the tenths place tells you to round up to 9.
300
Solve.
12 - 1.43
10.57
400
Which are true? Select all correct answers.
1. The 4 in 134.3 has 10 times the value of the 4 in 143.8.
2. The 4 in 9.84 has 1/10 the value of the 4 in 9.480.
3. The 4 in 17.034 has 1/100 the value of the 4 in 17.43.
4. The 4 in 481.3 has 10 times the value of the 4 in 834.1.
2. The 4 in 9.84 has 1/10 the value of the 4 in 9.480.
3. The 4 in 17.034 has 1/100 the value of the 4 in 17.43.
400
Roman played basketball for a total of 13.814 hours last month.
Round that time to the nearest hundredth.
13.81
400
Solve.
32.05 - 18.16
13.89