第1章非負整数

the sum of $13$ and $18$

the sum of $12$ and $19$

the sum of $90$ and $65$

the sum of $70$ and $38$

$33$ increased by $49$

$68$ increased by $25$

$250$ more than $599$

$115$ more than $286$

the total of $628$ and $77$

the total of $593$ and $79$

$\mathrm{1,482}$ added to $915$

$\mathrm{2,719}$ added to $682$

Home remodeling Sophia remodeled her kitchen and bought a new range, microwave, and dishwasher. The range cost $\text{\$1,100},$ the microwave cost $\text{\$250},$ and the dishwasher cost $\text{\$525}.$ What was the total cost of these three appliances?

Sports equipment Aiden bought a baseball bat, helmet, and glove. The bat cost $\text{\$299},$ the helmet cost $\text{\$35},$ and the glove cost $\text{\$68}.$ What was the total cost of Aiden’s sports equipment?

Bike riding Ethan rode his bike $14$ miles on Monday, $19$ miles on Tuesday, $12$ miles on Wednesday, $25$ miles on Friday, and $68$ miles on Saturday. What was the total number of miles Ethan rode?

Business Chloe has a flower shop. Last week she made $19$ floral arrangements on Monday, $12$ on Tuesday, $23$ on Wednesday, $29$ on Thursday, and $44$ on Friday. What was the total number of floral arrangements Chloe made?

Apartment size Jackson lives in a $7$ room apartment. The number of square feet in each room is $238,120,156,196,100,132,$ and $225.$ What is the total number of square feet in all $7$ rooms?

Weight Seven men rented a fishing boat. The weights of the men were $175,192,148,169,205,181,$ and $225$ pounds. What was the total weight of the seven men?

Salary Last year Natalie’s salary was $\text{\$82,572}.$ Two years ago, her salary was $\text{\$79,316},$ and three years ago it was $\text{\$75,298}.$ What is the total amount of Natalie’s salary for the past three years?

Home sales Emma is a realtor. Last month, she sold three houses. The selling prices of the houses were $\text{\$292,540},\text{\$505,875},$ and $\mathrm{\$423,699}.$ What was the total of the three selling prices?

Calories Paulette had a grilled chicken salad, ranch dressing, and a $\text{16-ounce}$ drink for lunch. On the restaurant’s nutrition chart, she saw that each item had the following number of calories:

Grilled chicken salad – $320$ calories
Ranch dressing – $170$ calories
$\text{16-ounce}$ drink – $150$ calories

What was the total number of calories of Paulette’s lunch?

Calories Fred had a grilled chicken sandwich, a small order of fries, and a $\text{12-oz}$ chocolate shake for dinner. The restaurant’s nutrition chart lists the following calories for each item:

Grilled chicken sandwich – $420$ calories
Small fries – $230$ calories
$\text{12-oz}$ chocolate shake – $580$ calories

What was the total number of calories of Fred’s dinner?

Test scores A student needs a total of $400$ points on five tests to pass a course. The student scored $82,91,75,88,\text{and}70.$ Did the student pass the course?

Elevators The maximum weight capacity of an elevator is $1150$ pounds. Six men are in the elevator. Their weights are $210,145,183,230,159,\text{and}164$ pounds. Is the total weight below the elevator’s maximum capacity?