Rational numbers - 6th grade (11y) - math problems
- Adding mixed 3
Why does 1 3/4 + 2 9/10 equal 4.65? How do you solve this?
- The temperature
The temperature at 1:00 was 10 F. Between 1:00 and 2:00, the temperature dropped 15F. Between 2:00 and 3:00, the temperature rose 3F. What is the temperature at 3:00?
- Expression 8
Evaluate this expressions: a) 5[3 + 4(2.8 - 3)] b) 5×(8-4)÷4-2
- What is one third
What is 1/3 as a decimal? Give your answer rounded to 2 decimal places.
- Comparing and sorting
Arrange in descending order this fractions: 2/7, 7/10 & 1/2
- Fruits 2
An apple costs 7p and a melon costs seven times more. How much will 6 apples and 2 melons cost
- A number
A number increased by 7.9 is 8.3
- Closest natural number
Find the closest natural number to 4.456 to 44.56 and to 445.6.
Subtract mixed number with regrouping: 11 17/20- 6 19/20
- To improper fraction
Change mixed number to improper fraction a) 1 2/15 b) -2 15/17
- Reduce to lowest terms
Reduce to lowest terms : 32/124
- Whole numbers
Pavol wrote down a number that is both rational and a whole number. What is one possible number she could have written down?
- Equivalent expressions
A coach took his team out for pizza after their last game. There were 14 players, so they had to sit in smaller groups at different tables. Six players sat at one table and got 4 small pizzas to share equally. The other players sat at the different table a
- Mixed numbers
Rewrite mixed numbers so the fractions have the same denominator: 5 1/5 - 2 2/3
Mum bought 16 cartons of milk. One carton of milk weight 0.925 kg. How many weight all purchase?
- Double 5
Peter was thinking of a number. Peter doubles it and gets an answer of 8.6. What was the original number?
- On the trip
On the trip were more than 55 children, but less than 65 children. Groups of 7 could be formed, but groups of 8 no. How many children were on a trip?
- Without 2
Without multipying, tell whether the product 0.644 x 0.25 will be greater than 1 or less than 1? Explane how you know. Then find the product.
- The Stolen Money
A man walks into a store and steals a $100 bill. 5 minutes later, he returns to the store and buys stuff worth $70. He pays with the bill that he had stolen, so the owner of the store returns him $30. How many dollars did the store owner lose?
- My father
My father has a big farm. 6/8 of it were planted with mango trees, 1/2 of the remainder are guava trees and the rest 10 trees are santol trees. What is the number of all trees?