Multiplication by tow,s,five, and tens- By Giselle

learning Intention-W.A.L.T  
  I can multiply numbers up to 100.
Success Criteria I know I am successful when I can multiply numbers using skip counting, doubles and repeated addition.
problems: How many marbles are there altogether

1) 
two children had 10 marbles each= I know its 20 because I skip counted by two,s 2,4,6,8,10,12,14,16,18,20
I multiply tens 10 x 2=20  I double ten = 10 + 10=20 

2)Poppy Sam and Emma  had 5 marbles each.How many marbles do they have altogether= 15 I know its 15 I skip counted five 5,10,15,
I used repeated addition 5+5+5=15
 I multiplied 5 x 3 =15

3)Bently ate 3 packets of biscuits and there are ten biscuits each packet= 30 I used repeated addition 10 + 10 + 10 I multiply 3 x 10 I skip count by ten 10,20,30,