Adding Two numbers
6+4+3
What is 13?
What is 9+9
18
Fill in the pattern 2, 4, 6, __, 10
8
10+12=
22
10+10+1=
21
Which number sentence shows the addends in a different order? 10+5=15
a. 10+5=15
b. 15-5=10
c. 5+5=10
d. 5+10=15
d. 5+10=15 shows the addends in a different order.
What number comes right after 99?
98