Models to add 2-digit numbers
Model how to answer 24 + 12 = by using a place value chart.
36
must use model**
Solve.
23 + 13 + 11 =
47
Mary has 13 apples. Billy has 10 apples. How many apples do they have in all?
23
Solve.
23 + 51 =
74
Model how to answer 13 + 29 = by using a place value chart.
42
must use model**
Solve.
31 + 10 + 6 =
47
There are 21 red marbles, 6 green marbles, and 12 blue marbles in a bag. How many marbles are in the bag?
39
Solve.
49 + 23 =
72
Model how to answer 28 + 23 = by using a place value chart.
51
must use model**
Solve.
25 + 12 + 24 =
61
Maria has 34 more shirts than Toby. Toby has 49 shirts. How many shirts does Maria have?
83
Solve.
56 + 55 =
111