Multiply and Divide by 2 Multiplying by 2

Multiply and Divide by 2 Skip counting is repeatedly adding 2 $2 $4 $6 $8 $10 $12 $14 $2 $4 $8 $16 $32 $64 $108 Repeatedly multiplying by 2 © 2020 A Learning Place A Teaching Place Relational Mathematics TPL 4 US

Multiply and Divide by 2 2 x 7= 5 + 2 2 x 5 = 10 2 x 2=4 10 + 4 = 14 x 2 = double Distributive propertydistribute multiplication over addition 2 x 7 = 14 © 2020 A Learning Place A Teaching Place Relational Mathematics TPL 4 US

Multiply and Divide by 2 Dividing by 2 - additively Dividing by 2 –

16 ÷ 2 = Multiply and Divide by 2 1 ÷ 2 = halve 10 + 6 10 ÷ 2 = 5 6÷ 2=3 5+3=8 Partition and divide by 2 16 ÷ 2 = 8 2 of 16 = 10 + 6 ÷ 2= 1 of 10 = 5 2 1 2 of 6 = 3 5+3=8 Partition and halve 1 of 16 = 8 2 © 2020 A Learning Place A Teaching Place Relational Mathematics TPL 4 US

Partition and divide by 2 15 ÷ 2 = 10 + 5 4+1 10 ÷ 2 = 5 4÷ 2=2 5+2=7 15 ÷ 2 = 7 r 1 Multiply and Divide by 2 Partition and halve 1 of 15 = 2 10 + 5 4+1 1 of 10 = 5 2 1 2 of 4 = 2 5+2=7 ÷ 2 = halve ÷ 2= 15 ÷ 2 = 14 + 1 14 ÷ 2 = 7 15 + 2 = 7 r 1 1 of 15 = 7 r 1 2 © 2020 A Learning Place A Teaching Place Relational Mathematics TPL 4 US