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name yadairacoyba break apart ones to add break apart ones to make a te…

Question

name yadairacoyba
break apart ones to add
break apart ones to make a ten. then add and write the sum.

  1. 62 + 9 =
  2. 27 + 7 =
  3. 28 + 5 =
  4. 17 + 8 =
  5. 57 + 6 =
  6. 23 + 9 =
  7. 39 + 7 =
  8. 26 + 5 =
  9. 13 + 8 =
  10. 18 + 7 =

problem solving real world
solve. write or draw to explain.

  1. derek had 18 toy airplanes. his mother bought him 7 more toy airplanes. how many toy airplanes does he have now?
  2. write math explain how you would find the sum of 46 + 7.

Explanation:

Step1: Resolver 62 + 9

Descomponemos 9 en 8 + 1. Entonces 62+8 = 70 y 70+1 = 71.

Step2: Resolver 27 + 7

Descomponemos 7 en 3 + 4. Entonces 27+3 = 30 y 30+4 = 34.

Step3: Resolver 28 + 5

Descomponemos 5 en 2 + 3. Entonces 28+2 = 30 y 30+3 = 33.

Step4: Resolver 17 + 8

Descomponemos 8 en 3 + 5. Entonces 17+3 = 20 y 20+5 = 25.

Step5: Resolver 57 + 6

Descomponemos 6 en 3 + 3. Entonces 57+3 = 60 y 60+3 = 63.

Step6: Resolver 23 + 9

Descomponemos 9 en 7 + 2. Entonces 23+7 = 30 y 30+2 = 32.

Step7: Resolver 39 + 7

Descomponemos 7 en 1 + 6. Entonces 39+1 = 40 y 40+6 = 46.

Step8: Resolver 26 + 5

Descomponemos 5 en 4 + 1. Entonces 26+4 = 30 y 30+1 = 31.

Step9: Resolver 13 + 8

Descomponemos 8 en 7 + 1. Entonces 13+7 = 20 y 20+1 = 21.

Step10: Resolver 18 + 7

Descomponemos 7 en 2 + 5. Entonces 18+2 = 20 y 20+5 = 25.

Step11: Resolver el problema de Derek

Sumamos el número inicial de aviones de juguete (18) y los nuevos (7). 18+7. Descomponemos 7 en 2 + 5. 18+2 = 20 y 20+5 = 25.

Step12: Explicar cómo se encuentra la suma de 46+7

Podemos descomponer 7 en 4 + 3. Luego sumamos 46+4 = 50 y 50+3 = 53.

Answer:

  1. 71
  2. 34
  3. 33
  4. 25
  5. 63
  6. 32
  7. 46
  8. 31
  9. 21
  10. 25
  11. 25
  12. Se descompone 7 en 4 + 3. 46+4 = 50 y 50+3 = 53.