📘 arithmetic

1. The problem asks us to estimate the sum of 5.2 and 176.2. 2. To estimate, we round each number to the nearest whole number: 5.2 rounds to 5 and 176.2 rounds to 176.

1. 题目是计算以下乘法题目并选择正确答案。 2. 乘法的基本公式是：$$a \times b = c$$，其中$c$是$a$和$b$的乘积。

1. 题目：计算 $8 \times 8$ 的结果。 2. 乘法公式：$a \times b$ 表示将 $a$ 加 $b$ 次，或者 $b$ 加 $a$ 次。

1. 题目：计算 $8 \times 8$ 的结果。 2. 公式：乘法的基本规则是将两个数相乘，得到它们的积。

Let's solve this step by step! 🎉 **Box 1:**

1. **Problem:** A class works on a project for 2 hours 45 minutes on Monday and 1 hour 55 minutes on Tuesday. Their goal is 360 minutes of total work. How many more minutes do they

1. **State the problem:** Using numbers 1 through 10 and the number 119, find expressions to get the numbers 4, 30, 36, 52, and 57. 2. **Important rules:** We can use addition, sub

1. The problem asks to find 19% of 20000. 2. To find a percentage of a number, use the formula: $$\text{Percentage value} = \frac{\text{percentage}}{100} \times \text{total value}$

1. **State the problem:** We need to create a decimal number that ends in the thousandths place, has a 2 in the thousandths place, and rounds to 2 when rounded to the nearest whole

1. **State the problem:** Tiana has $2 \frac{2}{3}$ gallons of paint. She uses half of it to paint her room, then gives $\frac{3}{8}$ of the remaining paint to her brother. We need

1. The problem appears to involve evaluating or simplifying the expression given in the first column labeled "5)" with terms 3, 3, 1, -1 ending at 2. 2. We interpret this as a sequ

1. **Stating the problem:** We want to find how to get the numbers 4, 30, 36, 52, and 57 from 119 using only ones and twos. 2. **Understanding the problem:** Using ones and twos me

1. **Stating the problem:** We need to perform division algorithms with remainders for the following divisions: 164 ÷ 19, 179 ÷ 24, and 171 ÷ 23. Then, solve two word problems invo

1. **State the problem:** Round the number 52149 to the nearest hundred. 2. **Recall the rounding rule:** To round to the nearest hundred, look at the tens digit.

1. **State the problem:** We need to round each number inside the shapes to the nearest tenth and then color the shapes based on the rounded value. 2. **Rounding rule:** To round t

1. **Stating the problem:** We want to find the total number of students attending the theme day. 2. **Given data:**

1. The problem is to find the value of the number 7. 2. Since the problem simply states "Number 7," it implies identifying or confirming the number itself.

1. **Stating the problem:** We want to find a way to get the numbers 9, 17, 36, 47, and 64 starting from 87 by repeatedly adding either 1 or 2. 2. **Understanding the problem:** St

1. **State the problem:** Find the product of the given multiplication problems. 2. **Recall the multiplication rules:**

1. **State the problem:** Alice and Robin sell tickets on Saturday and Sunday. We need to find the total money they get from selling tickets. 2. **Given data:**

1. The problem is to perform the division $11 \div 3$. 2. The division formula is: