Here is a part-whole model. Sometimes the model is rotated. It looks different, but it still has two parts and a whole. We can use this model to help us solve problems. We can put 4 things in one of ...

In math, students will work with whole numbers and place value. They will group numbers into tens and ones, and learn to add and subtract up through 20. They will use charts, tables, and diagrams to ...

What They Need To Know: In math, students will work with whole numbers and place value. They will group numbers into tens and ones, and learn to add and subtract up through 20. They will use charts, ...

Refresh your knowledge with these guides on place value and calculations with whole numbers. Write the numbers one underneath the other, lining up the units place value digits. Start on the left to ...

Answer: 888 + 88 + 8 + 8 + 8 = 1,000. This is the kind of math riddle you can work out with times tables, or by simple logic. First, get as close to 1,000 as you can (888). From there, it’s easy to ...