2+3= 8+2= 5+1= 11+6= 6+2= 10+1=

At first......then......then......

At first......then......then...... 2+3=5birds 5 5 5+1=6birds

Continuous Addition

4+3+6= 4+3+6= There are......and......and...... 13 13 7 10 from left to right make 10 smart calculation

3 + 2 + 7 = 12 3 + 2 + 7 = 12 5 10

2 + 5 +5 = 12 2 + 5 +5 = 12 7 10

Do you know the order? ＋ 1 2 8 4 9 11 7 14 7 12 13 3

6+5+£ =____ 8+6+£ =____ 9+3+£ =____ 6+£+5 =____ 8+£+3 =____ Filling the blanks and make the number sentences can be smart calculated. 6+5+£ =____ 8+6+£ =____ 9+3+£ =____ 6+£+5 =____ 8+£+3 =____ 7+£+1 =____ ① 6+5+4 ① 6+5+5 ② 6+5+5

② ① ④ ③ Make two number sentences into one. 7+0=7 4+3=7 7+3=10 7+0=7 4+6=10 6+9=15 2+10=12 3+3=6

2+3= 1 8+2= 5+1= 11+6= 10 6+2= 10+1= 2 3 2 + 3+__+__+__+__=__