Grade 3 - Mental Computation And Estimation
total lessons: 9
| Nº | Activity title | type |
|---|---|---|
Mental Multiplication | ||
| G3.7.1 | Multiplying Ones Mentally | |
| G3.7.2 | Multiplying by Tens and Hundreds Mentally | |
Mental Division | ||
| G3.7.3 | Using Related Multiplication Facts to Divide Mentally | |
Using Place Value To Round Whole Numbers | ||
| G3.7.4 | Rounding a 2-Digit Number Down to the Nearest Ten | |
| G3.7.5 | Rounding a 2-Digit Number Up to the Nearest Ten | |
| G3.7.6 | Rounding a 3-Digit Number to the Nearest Ten | |
| G3.7.9 | Rounding a 3-digit Number to the Nearest Hundred | |
| G3.7.10 | Checking Sums Using Rounding | |
| G3.7.11 | Checking Differences Using Rounding | |
