Maths - using doubles

WALT: use doubles to work out word problems greater than 10.

Which double would you use? Tell your buddy.

1.            There were 8 lollipops in a jar and James put in another 7.  How many lollipops are in the jar now?

2.           If there were 6 horses in a field and 5 more joined them.  How many horses are there in the field now?

3.           If there were 9 soccer balls in the bag and Sully put another 8 in.  How many soccer balls are there altogether? 

1+1=2      2+2=4     3+3=6    4+4=8    5+5=10

6+6=12    7+7=14   8+8=16   9+9=18   10+10=20

Do you know all these doubles?  Learn them so you can use them to solve problems.