42 Addition and Subtraction Concepts
Rigorous Problem Solving with the Concept of
Number Line Profi ciency 2
Number line mix up!Part A
Find and fi x the errors to complete the number line diagram.
Hint: 80 is correct. Counts by ones.Part B
Correctly place the following numbers to show skip counting
on the number line diagram.
55 75 40 65 45 70 80 50 35 60Describe the skip counting.© 2016, Math Intervention: Grades 3–5, Jennifer Taylor-Cox, Routledge
72 71 73 75 76 76 78 81 80 82