1st Grade Common Core Word Problem Worksheets 1.OA.8 Determine the Unknown Number
The following attachment is a five day series of worksheets, which includes a test for Friday. Each day has two worksheets, designed to be copied front and back. The front sheet of each day is the focus standard of the week 1.OA.8 Determine the unknown whole number in an addition or subtraction equation relating to three whole numbers. The back of the sheet is review taught previously.
The review concepts on this week of worksheets are standards 1.NBT.1, 1.NBT.2, and 1.OA.1. Each set of worksheets incorporates word problems and place value every day.