Dots & Sticks Model

Adding Two-Digit Numbers

100

17+32=

49

200

51+ 29

80

300

35+57=

92

400

65+29=

94

500

76+88=

164

Adding 4 Two Digit Numbers

100

Solve 

36 + 43+ 25 + 17 = 

121

200

Solve.

 25 + 14 + 41 + 63=

143

300

Solve. 

25 + 12 + 36 + 42 =

115

400

Solve.

 72 + 18 + 34 + 22 =

146

500

Solve: 34 + 25+ 12 + 45 =

116

Adding 3 One-Digit Numbers

100

1+2+3=

6

200

3+4+2=

9

300

6+5+7=

18

400

8+8+8=

24

500

9+7+6=

22

Adding 3 Two-Digit Numbers

100

10+20+40=

70

200

22+33+44=

99

300

25+12+23=

60

400

45+14+23=

82

500

45+56+37=

138

Problem Solving

100

A fish tank holds 25 guppies and 18 goldfish. How many fish fit in the tank?

25+18=43 fish

200

A classroom has 18 desks and 24 chairs. How many desks and chairs does the classroom have all together?

18+24= 42

300

Michael spends $ 27 for tickets to a baseball game and $ 24 on food. How much money did he spend all together?

$27 + $ 24 = $51

400

Ashley has 30 crayons, Alex has 20 crayons, and Katie has 40 crayons. How many crayons do they have all together?

30+20+40=90 crayons

500

Class 1- has 24 students. Class 2- has 22 students and Class 3- has 26 students. How many students do the three classes have altogether?

24+22+26= 72 students