Math Problem Solving

Kieran needs to run 2500 metres. In the first ten minutes he runs 639 metres and in the second ten minutes he runs 794 metres. How much further does he still need to run?

Mrs Flood has 1938 pencils at the beginning of the school year. In term one, 348 pencils are used and in term two, 827 pencils are used. How many pencils are left remaining to use in term three?

Yuan and Chan are trying to find out how many star jumps they can do in two minutes. In the first minute, Yuan completes 48 star jumps and in the second minute, he completes 56 star jumps. Chan completes 184 star jumps in two minutes. What is the difference between the amount of star jumps completed by Yuan and Chan?

Cookies: $0.75 each, Buns: $0.90 each. Serji bought some cookies and buns. He spent $4.20. How many of each item did he buy?

Miley and James each have some money. Altogether, they have $10.20. Miley gives James $1.50 so that they both have the same amount. How much money did they each have at the start?

Class A have a race. Kat’s time is 47 seconds. Charlie finishes nine seconds before Kat. Maria finishes 14 seconds after Charlie. Barry finishes 26 seconds before Maria. What is Barry’s time in seconds?

Phoebe bought a ruler and a pencil. She paid $1.45. Leah bought a ruler and two pencils. She paid $1.80. How much does a ruler cost?

Toy car $12.49, Board game $25.38, Building blocks $34.39. Amil and Ricky want to buy one of each toy. Amil rounds the price of each toy to the nearest $10 and adds them together. Ricky adds the exact price of each toy together. What is the difference between Amil’s and Ricky’s total?

Woolly hat: $11.75, Gloves: $4.95. Aydan has a twenty-dollar and a ten-dollar note. How much change will he receive if he buys two woolly hats and a pair of gloves?