Repeated Addition
Arrays
Adding 10s
Subtracting 10s
Missing Number
100
10 + 10 + 10 =
30
100
How many circles are there?
15 circles
100
10 + 20 =
30
100
30 - 20 =
10
100
6 + ___ = 9
3
200
5 + 5 + 5 + 5 =
20
200
2 X 4
200
40 + 20 =
60
200
40 - 20 =
20
200
___ + 8 = 13
5
300
2 + 2 + 2 + 2 + 2 =
10
300
3 x 6
300
30 + 60 =
90
300
90 - 40 =
50
300
9 + ____ = 15
6
400
3 + 3 + 3 + 3 + 3 =
15
400
Draw an array to represent the repeated addition equation:
2 + 2 + 2 + 2 = ?
(teacher check boards)
400
Ms. McBride has 50 Toro Tickets. Ms. Juarez gave her 20 more Toro Tickets. How many Toro Tickets does Ms. McBride have now?
70 Toro Tickets
400
Ms. Espinoza had 50 pieces of candy. She passed out 30 pieces of her candy. How many pieces of candy does she have now?
20 pieces of candy
400
____ + 7 = 18
11
500
4 + 4 + 4 + 4 =
16
500
Write a repeated addition equation to represent the array. (there are two possible answers)
4 + 4 + 4 + 4 + 4 = 20
OR
5 + 5 +5 + 5 = 20
500
Mrs. York bought 40 stickers from Target and 60 stickers from Walmart. How many stickers does she have in total?
100 stickers
500
Mrs. Secrest brought 100 cookies to school to give to the teachers. The teachers ate 70 of her cookies. How many cookies does she have left?
30 cookies
500
13 + ____ = 20
7