CA 1 Practice Flashcard
Flashcard
•
Mathematics
•
5th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is expanded notation?
Back
Expanded notation is a way of writing numbers that shows the value of each digit. For example, 80.05 can be written as (8×10) + (0×1) + (0×0.1) + (5×0.01).
2.
FLASHCARD QUESTION
Front
How do you convert expanded notation to a numeral?
Back
To convert expanded notation to a numeral, you add the values together. For example, (8×10) + (5×0.01) = 80 + 0.05 = 80.05.
3.
FLASHCARD QUESTION
Front
What is the best estimate for the cost of 7.8 pounds of watermelon at $3.05 per pound?
Back
The best estimate is $24, as 7.8 is close to 8, and 8 x 3.05 is approximately 24.
4.
FLASHCARD QUESTION
Front
How do you round a number to the tenths place?
Back
To round to the tenths place, look at the hundredths place. If it's 5 or more, round up; if it's less than 5, round down. For example, 0.64 rounded to the tenths place is 0.6.
5.
FLASHCARD QUESTION
Front
What does it mean to order numbers from greatest to least?
Back
Ordering numbers from greatest to least means arranging them starting with the largest number and ending with the smallest.
6.
FLASHCARD QUESTION
Front
If Lily's sunflower is the third tallest, what does that tell you about the other sunflowers?
Back
It means there are two sunflowers taller than Lily's and one or more that are shorter.
7.
FLASHCARD QUESTION
Front
How do you write (3 x 1) + (4 x 0.1) + (6 x 0.01) + (2 x 0.001) as a numeral?
Back
The numeral is 3.462, calculated as 3 + 0.4 + 0.06 + 0.002.
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