Classifying Rational Numbers
What number set/sets does -10 belong to?
| integers and rational numbers |
whole numbers and their opposites
| integers |
GCF of 4 and 2
2
To represent the opposite of a loss of 5 points on the stock market, you could use what number?
5
Trina guessed a rational number between 2 and 4 that is not an integer. Which is a possible number that she guessed? A] −2.8 B] 3 C] 3.2
C) 3.2
What number set/sets does 10 belong to?
whole numbers, rational numbers, and integers
a number's distance from zero
| absolute value |
LCM of 15 and 45
| 45 |
| A submarine is at 756 feet. How many feet will it need to rise to be at the surface? |
756
| Benjamin plotted −1.5 and -1.6 on a number line. Which point is further from zero? |
| -1.6 |
What number set/sets does 45/5 belong to?
| whole numbers, rational numbers, and integers |
numbers with the same distance from zero
opposites
GCF of 15 and 45
15
| To find the absolute value of a number, find the _________________ from zero and write the distance as a _________________ integer. |
| Distance/Positive |
| Every fourth customer gets a free calendar. Every sixth customer gets a coupon for $1 off their meal. Which customer will be the first one to get both the calendar and the coupon? |
12th customer
What number set/sets does -24/4 belong to?
rational numbers, and integers
| any number that can be written in the form a/b where b is not equal to 0 |
| rational numbers |
| LCM of 40 and 30 |
120
Dori claims that 3.52 is not a rational number because it is not written as a ratio of integers. Is she correct?
No, because you can write as a mixed number then a fraction a/b.
| Katia and Thomasina play a computer game and record these scores. Katia: 8, 6, −4, −7, 2, 0, 3 Thomasina: −11, 0, 8, 7, 5, −7, 11 Compare Katia’s and Thomasina’s least scores. _____ |
-7 > -11
How do you write -4 and 3/4 in a/b form?
-19/4
shows the relationships between groups
| Venn Diagram |
| You buy a lily and an African violet on the same day. You are instructed to water the lily every fourth day and water the violet every seventh day after taking them home. What is the first day on which you will water both plants on the same day? |
Day 28
| What is the absolute value of -1.98 |
1.98
| Ali graphed the numbers −3 and 4 on the number line. Which number is further from 0? EXPLAIN |
| 4, because it is 4 units from 0, and -3 is only 3 units from 0. |