643=4*160+n in a related division form

Nora read 1/4 of a book on monday and 2/5 on tuesday. what fraction of the book does she have left to read?

Alyssa's monthly mortgage costs are lower than those of her neighbor, Steven. Steven doesn't understand how this is possible because Alyssa paid more money for her house. What could be the reason for this difference in costs?

What fractions are greater than 1 and which are less than 1?

Draw a loop around each box with number sentences that have 0as an addend

Alicia buys a 5 - pounds bag of rocks for a fish tank. She uses 1 1/8 pounds for a small fish bowl. How much is left?

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.