What is a Rational Number?
What is a rational number?
What is a decimal that repeats or ends and numbers that can be written as a/b , where a and b are integers and b≠0
Evaluate: -4.2+7.5
What is 3.3
Without calculating, is
(-8)(-4)
positive or negative?
What is positive
When dividing fractions, what does Keep, Change, Flip mean?
What is Keep the first fraction, change ÷ to ×, flip the second fraction.
DAILY DOUBLE!!
In BEDMAS, which comes first: multiplication or division?
Whichever appears first from left to right.
Write 3/8 as a decimal.
What is 0.375
Evaluate:
3/8 + 1/4
What is
5/8
Evaluate: (2/3)(3/4)
What is
1/2
Evaluate:
3/4 ÷ 1/2
What is
1 1/2
Evaluate:
2.5-(-1.5)(4)+3
What is 11.5
is 0.777777...... rational or irrational? Explain
Rational, because repeating decimals are rational.
Evaluate: -5.6-(-2.9)
What is -2.7
DAILY DOUBLE!!!
Evaluate: (-1.5)(2.4)
What is -3.6
Evaluate:
-4.8 ÷ 1.2
What is -4
Evaluate:
(-1/2 + 3/4) ÷ 1/8 - (-2)^2
What is -2
Write -2.75 as a fraction in lowest terms.
what is -2 3/4
The temperature is −4.5°C in the morning. It rises 7.8°C during the day. What is the new temperature?
What is 3.3°C
A submarine descends 2.5 m each minute. What is its change in elevation after 6 minutes?
What is -15m
You have 3 1/2 L of juice. Each bottle holds 1/2 L. How many bottles can you completely fill?
What is 7 Bottles
You have $30. You buy 3 drinks for $4.50 each. How much money do you have left? Write and evaluate one expression.
What is 30-3(4.50)=$16.50
DAILY DOUBLE!!
Put these numbers in order from least to greatest:
-5/4, -1.1, -3/2, -0.75
what is -3/2<-5/4<-1.1<-0.75
Maya has $25.50 in her account. She spends $32.75 and then deposits $10.25. What is her new balance?
What is $3.00
A hiker descends 1 3/4 km each hour for 2 1/2 hours. What is the total change in elevation/distance in the downward direction?
What is -4 3/8 km
A scuba diver changes elevation by -7 1/2 m over 2 1/2 minutes at a constant rate. What is the diver's change in elevation per minute?
What is -3 m/min
Four friends split the $18 cost of a pizza equally. Each person also buys a $2.50 drink. How much does each person pay altogether? Write and evaluate one expression.
What is
18 ÷ 4 + 2.50 = $7.00