Lesson 7.2Opposites of Rational Numbers
Apply Day · Set BSecond form · new problems, same idea
Learning target I can place rational numbers, including fractions and decimals, on a number line.
Remember7.2 · Part II
Rational Numbers on the Number Line
- Find the two consecutive integers the rational number falls between
- Divide the segment between integers into equal parts matching the denominator
- Negative numbers move to the left of zero; positive numbers move to the right
Words: Rational number (Número racional)Fraction (Fracción)Decimal (Decimal)Number line (Recta numérica)Equivalent (Equivalente)
-
1Complete each step, then write the final answer.
A point is halfway between 2 and 3. What number is it?
Show your workFinal answer: -
2Complete each step, then write the final answer.
Each space is one fourth of a unit. Point A is on the number line. What number is at point A? Write a decimal.
Show your workFinal answer: -
3Complete each step, then write the final answer.
Point K is between −4 and −3. It is 0.4 units from −4. What number is K?
Show your workFinal answer: -
4Complete each step, then write the final answer.
The water in a pool is 1 1/4 feet under the top edge. The top edge is 0. Write the water level as a decimal.
Show your workFinal answer: -
5Complete each step, then write the final answer.
A freezer's temperature is between −10°F and −9°F. It is 3/4 of the way from −9°F to −10°F. Write the temperature as a decimal.
Show your workFinal answer: -
6Complete each step, then write the final answer.
Find the number exactly halfway between −1 1/2 and −1/4 on a number line.
Show your workFinal answer: -
7Circle the letter of the best answer. Show how you know.
Which point is located between -1 and -2 on the number line?
- A-2.5
- B-1.5
- C-0.5
- D1.5
Show your work -
8Circle the letter of the best answer. Show how you know.
Which fraction is equivalent to 0.25?
- A1/4
- B1/2
- C1/3
- D2/5
Show your work -
9Circle the letter of the best answer. Show how you know.
Where is -3/4 located on the number line?
- ABetween -3 and -4
- BBetween -1 and -2
- CBetween 0 and -1
- DBetween 0 and 1
Show your work