This document contains math word problems and exercises involving addition of multiple numbers. The problems provide examples of breaking down addition into place values and carrying numbers to complete the calculations. Students are asked to observe the examples and fill in the missing numbers and calculations.

1. 6
1. Observa o exemplo. Completa os cálculos.
34 + 28 = 30 + 4 + 20 + 8
34 + 28 = 50 + 12 = 62
59 + 46 = ____ + 9 + ____ + 6
59 + 46 = ____ + ____ = ____
47 + 36 = 40 + ____ + ____ + 6
47 + 36 = ____ + ____ = ____
76+35 = ____ + ____ + ____ + ____
76 + 35 = ____ + ____ = ____
2. Observa o exemplo. Completa os cálculos.
132 + 146 =278
6 U + 2 U = 8 U
4 D + 3 D = 7 D
1 C + 1 C = 2 C
2 C + 7 D + 8 U = 278
152 + 147 = ____
__ U + __ U = __ U
__ D + __ D = __ D
__ C + __ C = __ C
__ C + __ D + __ U = ___
215 + 104 = ____
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3. Observa o exemplo. Completa os cálculos.
1 6 6 + 1 4 9 = 3 1 5
1 0 0 + 6 0 + 6
+ 1 0 0 + 4 0 + 9
2 0 0 + 1 0 0 + 1 5 = 3 1 5
1 7 5 + 1 2 6 = ____
1 0 0 + 7 0 + 5
+ 1 0 0 + 2 0 + 6
____ + ___+ ____ = ______
1 2 9 + 1 4 7 = _____ 1 9 2 + 2 4 8 = _____

2. 7
1. Observa o exemplo. Completa os cálculos.
2. Completa as expressões numéricas.
101 + 99 = _____
102 + 98 = _____
103 + 97 = _____
104 + 96 = _____
105 + 95 = _____
106 + 94 = _____
107 + 93 = _____
108 + 92 = _____
109 + 91 = _____
201 + _____ = 300
202 + _____ = 300
203 + _____ = 300
204 + _____ = 300
205 + _____ = 300
206 + _____ = 300
207 + _____ = 300
208 + _____ = 300
209 + _____ = 300
194 + 6 = _____
106 + _____ = 200
188 + 12 = _____
112 + _____ = 200
174 + 26 = _____
126 + _____ = 200
145 + 55 = _____
155 + _____ = 200
169 + 31 = _____
3. Completa a sequência.