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Finding the Difference (A) WORKSHEET
Suitable for Grades: 1st Grade, 2nd Grade
CCSS: 1.OA.C.6, 2.OA.B.2
CCSS Description: Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13 – 4 = 13 – 3 – 1 = 10 – 1 = 9); using the relationship between addition and subtraction (e.g., knowing that 8 + 4 = 12, one knows 12 – 8 = 4); and creating equivalent but easier or known sums (e.g., adding 6 + 7 by creating the known equivalent 6 + 6 + 1 = 12 + 1 = 13).
Fluently add and subtract within 20 using mental strategies.2 By end of Grade 2, know from memory all sums of two one-digit numbers.
Fluently add and subtract within 20 using mental strategies.2 By end of Grade 2, know from memory all sums of two one-digit numbers.
Finding the Difference (A) WORKSHEET DESCRIPTION
This worksheet introduces finding the difference between two numbers using subtraction. Here, students will choose two single digit numbers and find the difference between them. There is space for children to repeat this nine times.
