23, 24, __, __, __, __
23, 24, 25, 26, 27, 28
25
__ tens__ones
2 tens 5 ones
2+7= __
2+7= 9
9-4= __
9-4= 5
There are 3 carrots in the bag.
Dad puts 4 more in.
How many carrots are in the bag now?
7
46, 47, __ ,__, __
46, 47 , 48, 49, 50
__ tens + __ ones = 72
7 tens + 2 ones = 72
9+3= __
9+3= 12
8- __= 2
8-6=2
9 students play tag.
2 more join them.
How many students play tag in all?
11
15, 20, 25, __ ,__ ,__ , __
15, 20, 25, 30, 35, 40, 45
_____= 9 tens 2 ones
92=9 tens 2 ones
__ +20=30
10+20=30
17-3= __
17-3= 14
7 kids got on the bus.
Then 3 more got on.
Finally, 2 more got on.
How many kids are on the bus now?
12
20, 30, 40 ,__ ,__ , __
20, 30, 40, 50, 60, 70
__ + 60= 68
8+60=68
15+ __=25
15+10=25
50- __=20
50-30=20
Maggie has 6 balloons.
She gives Jill 1 to take home.
She gives Kathy 2 to take home.
How many balloons does Maggie still left?
3
40, 42, __, __, __, __,
40, 42, 44, 46, 48, 50
102= 2+ ___
102= 2+100
3+6+5= __
3+6+5= 14
57- __=51
57-6 = 51
Jen wins 18 tickets to the baseball game.
She gives 4 to her brother.
Then she gives 2 to her friend.
How many tickets does Jen have left?
12