Negative Numbers
Calculate
2 x -8
-16
What are ALL factors of 28
1, 2, 4, 7, 14, 28
What is the prime factorisation equation of 27?
3 x 3 x 3
OR
33
Solve 2 + (3 x 2)
8
What does I stand for in BIMDAS?
Indices/Index
What was Sharran's favourite subject when she was in high school.
Maths <3
Calculate
- 15 + 5
-10
What are ALL factors of 37
1, 37
What is the prime factorisation equation of 110?
2 x 5 x 11
Solve:
4 + 3 – 22
3
Becky is going to the shops then to the library today.
Becky has to ride her bike for 15 minutes to get to the shops. She must ride double that time (in minutes) to get to the library.
Write an expression to show how long it takes her to ride total. Calculate how long she rides total.
Becky's ride time = 15 + 2 x 15
=45 minutes
What country is Sharran from?
Canada
- 5 x - 4
20
What are ALL the factors of 63
1, 3, 7, 9, 21, 63
What is the prime factorisation equation of 91?
7 x 13
Solve 92 − (12 − 2)
71
In a game, John scored 3 goals, each worth 4 points, and then scored 2 more goals, each worth 5 points.
Write an expression to show how many points John scored in total? How many points did John score in total?
John's points = 3 x 4 + 2 x 5
= 12 + 10
= 22 points total
What is Sharran's favourite thing about Australia?
The ocean!!!
Calculate
-20 ÷ 10
-2
What are ALL the factors of 33
1, 3, 11, 33
What is the prime factorisation equation of 84? (Write using index notation)
22 x 3 x 7
Solve:
5+102 −(2+4)
99
A farmer has 3 fields. In the first field, he plants 5 rows of apple trees, each with 8 trees. In the second field, he plants 4 rows of orange trees, each with 6 trees. In the third field, he plants 7 rows of mango trees, each with 10 trees.
Write an expression to show how many trees the farmer planted in total? Calculate to figure out how many trees he had total.
Total trees = 5 x 8 + 4 x 6 + 7 x 10
= 40 + 24 + 70
= 134 trees total
Sharran was born in May 2001. How old is she?
22
Calculate
-17 - -30
13
What are ALL the factors of 72
What is the prime factorisation equation of 245? (Write using index notation)
5 x 72
Solve. (33 − 10 + 1) × 2
There are 2 blocks of lockers. One block has 8 columns of lockers, with 4 lockers in each column. The other has 3 columns and 6 lockers in each column. 6 lockers have last years locks on them and cannot be used. Write an expression to show how many available lockers are there in total? Calculate.
Total lockers = 8 x 4 + 3 x 6 - 6
= 32 + 18 - 6
= 50 - 6
= 44 available lockers
How many weeks does Sharran have left teaching you?
Only 3 weeks left :(