1. Round any number to the nearest 10, 100 or 1000
2. Multiply two-digit and three-digit numbers by a one-digit number using formal written layout
3. Add and subtract fractions with the same denominator
1. Round any number to the nearest 10, 100 or 1000
2. Multiply two-digit and three-digit numbers by a one-digit number using formal written layout
3. Add and subtract fractions with the same denominator