Students need to be able to represent and solve one- and two-step problems involving addition and subtraction of whole numbers up to 1,000 using pictorial models, number lines, and equations.
Ex: Julia is reading a book that has 241 pages. She read 110 pages on Monday. She read some more pages on Tuesday. On Wednesday, she must read 25 pages to finish the book. What is the total number of pages Julia read on Tuesday?
Ex: Julia is reading a book that has 241 pages. She read 110 pages on Monday. She read some more pages on Tuesday. On Wednesday, she must read 25 pages to finish the book. What is the total number of pages Julia read on Tuesday?