New Zealand Curriculum: Level 4

Learning Progression Frameworks: Measurement sense, Signpost 7 to Signpost 8

Target students 

These activities are intended for students who have a range of strategies for addition and subtraction of whole numbers. These strategies may include elements of integer thinking such as solving 52 – 28 by solving 52 – 30 first then compensating by adding two, i.e., 52 – 28 = 52 – 30 + 2 = 24. Students should also know their basic addition facts and the corresponding subtraction facts.

The following diagnostic questions indicate students’ understanding of, and ability to locate integers on a number line, and to add and subtract integers, especially negative integers, like -4 and -11. Allow access to pencil and paper. A calculator can be used to check answers if needed. (show diagnostic questions)

Teaching activities