BIDMAS
3 + 8 x 5
43
Which of the following are prime numbers?
21, 15, 17, 1, 45
17
What does HCF and LCM stand for?
Highest common factor and least common multiple
What is Pythagoras' Theorem?
a^2 + b^2 = c^2
What is 923 rounded to the nearest hundred?
900
49 - 10 + 11 x 5
94
What two prime numbers are between 20 and 30?
23 and 29
What are the HCF and LCM of 12 and 18?
HCF = 6
LCM = 36
Pythag Question 2:
52
What is 0.9765 rounded to 2 decimal places?
0.98
79 - (9+9) x 4
7
How many prime numbers are there from 1-30?
10
A baker is preparing gift bags. He has 24 chocolate chip cookies and 30 oatmeal cookies. He wants to divide both types of cookies evenly among the bags, with no cookies left over. What is the largest number of bags he can make? How many of each type of cookie will be in each bag?
Largest number of bags = 6
He can make 4 chocolate chip and 5 oatmeal cookies.
Pythag question 3:
6
What is 0.00254 rounded to 1 significant figure?
0.003
sqrt(5^2+ 12^2) + (3^3-20)
20
What is the product of prime factors of 48?
2^4 x 3
The HCF of two numbers is 6 and their LCM is 72. If one of the numbers is 24, find the other number.
18
Pythag question 4:
5cm
complete the error interval: The weight of a bag of flour is 8 kg, measured to the nearest kilogram.
7.5 to 8.5
(sqrt(144) + 5^0) x (10 - 2^2)
78
2^2 x 3 x 5 x 7
The Highest Common Factor (HCF) of two numbers is 9 and their Least Common Multiple (LCM) is 135. If one of the numbers is 27, find the other number.
45
Pythag question 5:
8m
A number rounded to the nearest whole number is 15.
Rounded to 1 decimal place it is 15.2.
What could the number be?