Show Your Working Out - Teacher's Stamp
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Use this stamp to encourage the process of thinking through calculations. Remind students to show their working out when solving problems in Mathematics and STEM / STEAM. This clever stamp enables teachers to quickly mark areas on student work where they need to show their working out.
Self-inking stamp, no smudge and can last for over 100,000 impressions.
Stamp image is 33mm x 9mm.