This file include second grade number talks that focuses on addition and subtraction. Students will improve math skills using the following mental strategies: doubles, near doubles, making landmark/friendly numbers, making tens, compensation, adding up chunks, adding up, and removal. You will need to buy or make your own rekenreks. It does not come with this file. You will need to do is print and laminate (optional). This is adapted from Number Talks by Sherry Parrish. You will show your students the cards for about 5-7 seconds then have them share their responses and explain their thinking.