How to effectively introduce addition and subtraction using a '100-bead abacus'

Many parents introduce the 100-bead abacus to their children's math learning. Since it makes practicing counting and the ...
Education Week

Common-Core Subtraction: Teaching Many Methods

“For some, common core is creating common confusion,” said education correspondent Rehema Ellis on a recent NBC News segment. The crux of the news piece was that parents are struggling to help their ...
TES

SUBTRACTION ABSTRACT METHOD Worksheets Product or Resource BUNDLE for GRADE 1–3

2-Digits Subtraction with Borrowing Missing Numbers Worksheets – Practice Activity 2-Digits Subtraction with & without Borrowing Missing Numbers Worksheets – Practice Activity Up to 2-Digit Negative ...
TES

2-Digits Subtraction with & without Borrowing Missing Numbers Worksheets – Practice Activity

These worksheets are designed to give learners fun and challenging practice in 2-digit subtraction with and without borrowing by filling in the missing numbers. Students strengthen their subtraction ...