Mental maths and products
Estimating products 17🔒Multiplying by 11 and 111 6🔒Products and unknown factors 18🔒Products using identities 18🔒Squaring mentally 12🔒
Estimating products 17🔒Multiplying by 11 and 111 6🔒Products and unknown factors 18🔒Products using identities 18🔒Squaring mentally 12🔒