Making 20 (BONDS) WORKSHEET
Suitable for Grades: 1st Grade
CCSS: 1.OA.C.6, 1.OA.D.7
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).
Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false. For example, which of the following equations are true and which are false? 6 = 6, 7 = 8 – 1, 5 + 2 = 2 + 5, 4 + 1 = 5 + 2.
Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false. For example, which of the following equations are true and which are false? 6 = 6, 7 = 8 – 1, 5 + 2 = 2 + 5, 4 + 1 = 5 + 2.
Making 20 (BONDS) WORKSHEET DESCRIPTION
Students will find 9 pairs of numbers that make 20. Number frames or part part whole models could be used to support.
All our primary resources include space for students' names and the date.
All worksheets are created by the team of experienced teachers at Cazoom Math.
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This worksheet is designed specifically for 1st grade students who are developing their foundational addition skills. At this level, students are building their understanding of number relationships and learning to work with numbers up to 20. The concept of number bonds helps first graders develop mental math strategies they'll use throughout their mathematical journey.