📘 arithmetic

1. Stating the problem: We need to find the difference between the place value of 8 in 83520 and the face value of 6 in 83568. 2. Finding the place value of 8 in 83520: The digit 8

1. The problem shows a pyramid-like shape with labeled rectangles whose values we want to understand or verify. 2. Let's list the given values in the pyramid from top to bottom:

1. The problem displays four subtraction problems arranged in a grid, each showing digits aligned by place value columns labeled Hundreds (H), Tens (T), and Ones (O). 2. Let's solv

1. The problem asks to find the final prices after applying a 20% discount to two amounts: 5.99 and 57. 2. To calculate the discount amount, multiply the original price by the disc

1. We are asked to find the sum of 1 and 5. 2. Adding the two numbers: $1 + 5 = 6$.

1. The problem appears to involve boxes and ovals connected by plus signs with some missing numbers represented by squares (□). 2. From the given information, each line seems to il

1. We are asked to divide 939 by 15 and express the answer as a whole number quotient and a remainder. 2. First, perform the integer division $939 \div 15$ by finding how many time

1. The problem asks to simplify and evaluate the products $15 \times 9 \times 24 \times 2$ and $27 \times 7 \times 8 \times 5$. 2. Calculate the first product:

1. **State the problem:** Simplify the expression $120+(14\times 2)-17-(21\div 7)\times 4-8$. 2. **Calculate each operation step-by-step:**

1. Stating the problem: Calculate the value of the expression $120 + (14 \times 2) - 17 - (21 \div 7) \times 4 - 8$.\n\n2. Evaluate the multiplication inside the parentheses: $14 \

1. We are asked to estimate and then find the exact value of the product $0.34 \times 0.063$. 2. To estimate by rounding both numbers to one significant figure:

1. The problem is to find the value of $1+1$. 2. Addition combines two numbers to get their total.

1. **State the problem:** We need to find the missing digit □ in the multiplication: 304

1. Given the problem: Calculate $6400 \times 2.7$ using the known multiplication $64 \times 27 = 1728$. 2. Observe that $6400$ can be written as $64 \times 100$ and $2.7$ can be wr

1. The problem asks to round the number 64.9963 to (a) 2 decimal places, and (b) the nearest 10. 2. (a) Rounding to 2 decimal places means we keep two digits after the decimal poin

1. The problem is to round the number 14.63 to the nearest integer. 2. To round a number to the nearest integer, look at the digit in the tenths place (the first digit to the right

1. The problem is to simplify the division of two numbers: $\frac{2170}{10}$.\n2. Division means how many times 10 fits into 2170.\n3. Perform the division: $$\frac{2170}{10} = 217

1. **Problem:** Three bells ring at intervals of 6, 8, and 10 minutes. They ring together at 9:00 a.m. When will they ring together again? Step 1: Find the Least Common Multiple (L

1. The problem asks to find the value of each expression using a number line for question 5. 2. Calculate each part step-by-step:

1. Let's understand the Soroban abacus basics. 2. The Soroban abacus uses rods where each has one 'heaven' bead (worth 5) and four 'earth' beads (each worth 1).

1. **Stating the problem:** Simplify the expressions $2 + 5 - 1$ and $12 - 11\frac{3}{4}$.\n\n2. **Simplify $2 + 5 - 1$: **\nCalculate the sum and subtraction from left to right: \