Worksheets and quiz forms for decomposition of sums equal to 10. Students should use these for practicing decomposition. Each problem has an A or B value and an answer, the student is to decide what number completes the equation.
The worksheets design includes a 2x10 grid with counter items to support students that struggle with the sequence of numbers and names. There is a central area with the numbers and the operators (+/-). There are counter grids with triangles and circles to represent the numerical values.
The quiz sheets are just A-B=?. 5 across, 6 down.
26 variations of each are included: 2 pages per worksheet, 1 page per quiz sheet.