Multiplying 2 to 3-Digit Numbers By 1 Digit Numbers with Regrouping Divides 3- to 4-Digit Numbers by 2-Digit Numbers without and with Remainder. Divides 3- to 4-Digit Number by 1-Digit Numbers Without and With Remainder Multiplies Mentally 2-digit by 1-digit Numbers Without Regrouping with Products up to 100 Division of 5- or More Digit Number by 3-Digit Numbers with Remainder CONTEXTUALIZED TEACHER RESOURCE IN MATHEMATICS 4: Multiplying Number Up to Three-Digit Numbers by Up to Two-Digit Numbers Without or With Regrouping Subtracting Mentally 1-Digit Numbers from 1- to 2-Digit Numbers Without Regrouping Using Appropriate Strategies Multiplying 2 to 3-digit Numbers by 1 and 2- digit Numbers Without or with Regrouping Division of 5- or More Digit Number by 3-Digit Numbers Without Remainder