Adding and Subtracting Word Problems

**Page 9**

81.

Hanna has 5 red pencils, 2 brown pencils, and 5 blue pencils. Find the total number of pencils Hanna has.

a. | 12 | ||

b. | 10 | ||

c. | 13 | ||

d. | 11 |

T | O | |

1 | [Carry.] | |

5 | ||

2 | ||

+ | 5 | |

1 | 2 | |

[Add.]

So, Hanna has 12 pencils.

Correct answer : (1)

82.

Find:

5 + 4 + 3

5 + 4 + 3

a. | 11 | ||

b. | 12 | ||

c. | 16 | ||

d. | 10 |

Correct answer : (2)

83.

Solve

a. | 13 | ||

b. | 12 | ||

c. | 10 | ||

d. | 11 |

Correct answer : (4)

84.

Solve

a. | 10 | ||

b. | 11 | ||

c. | 12 | ||

d. | 9 |

Correct answer : (4)

85.

Solve

a. | 16 | ||

b. | 14 | ||

c. | 15 | ||

d. | 12 |

Correct answer : (3)

86.

Solve

a. | 12 | ||

b. | 11 | ||

c. | 9 | ||

d. | 10 |

Correct answer : (4)

87.

Solve

a. | 12 | ||

b. | 10 | ||

c. | 11 | ||

d. | 13 |

Correct answer : (1)

88.

There are 25 blue and 35 red marbles in a bag. Find the total number of marbles in the bag.

a. | 60 | ||

b. | 70 | ||

c. | 57 | ||

d. | 65 |

25 = 20 + 5

35 = 30 + 5

[Break the numbers into tens and ones.]

(20 + 30) + (5 + 5)

[Add the tens and ones separately.]

= 50 + 10 = 60

[Add the two sums.]

So, there are a total of 60 marbles in the bag.

Correct answer : (1)

89.

Steve has traveled 8 kilometers in the morning, 7 kilometers in the afternoon, and 9 kilometers in the evening. Find the total distance that Steve traveled during the day.

a. | 14 km | ||

b. | 24 km | ||

c. | 22 km | ||

d. | 27 km |

= 8 + 7 + 9 = 24

[Substitute the values and add the ones.]

So, Steve traveled 24 kilometers during the day.

Correct answer : (2)

90.

Michael had $72 with him. He made $18 by delivering pizzas. How much money does he have now?

a. | $92 | ||

b. | $90 | ||

c. | $80 | ||

d. | $54 |

72 = 70 + 2

18 = 10 + 8

[Break the numbers into tens and ones.]

(70 + 10) + (2 + 8)

[Add the tens and ones separately.]

= 80 + 10 = 90

[Add the two sums.]

So, Michael has $90.

Correct answer : (2)