Friendly numbers and mental math

Dion practiced the long jump. He jumped 3.05 meters, 2.74 meters and 3.3 meters. What was the average length of Dion's jumps?

A switchboard display in the store allows a customer to hook together any selection of components (consisting of one of each type). Use the product rules to answer the following questions: a.

How many grains of sand is there at kirbys beach?

Kelly answered 3 items on a test incorrectly. This was 6% of the items. How many items were on the test?

The cat walks all over a problem on Syria's math homework with muddy feet. All Sofia can see is the answer - - 267. Sofia remembers it is a subtraction problem. Sofia remembers that the problem used the digits 1, 2, 3, 4, 5 and 6 once each.

2 shapes A and B, are similar. length of edges in A : length of edges in B = 2.5 The perimeter of A is 210mm work out the perimeter of B

Write 54 as a product of prime factors

A spinner with 10 equal-sized sections numbered 1 to 10 is spun once. What is the probability that the spinner will land on a number that is not a multiple of three?

What are the intercepts of the line? A. x-intercept: - 6; y-intercept: - 3 B. x-intercept: 3; y-intercept: - 6 C. x-intercept: 3; y-intercept: 6 D. x-intercept: - 6; y-intercept: 3

10x - 7x+1 Product: Sum: