📘 arithmetic
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Gemdas Operations
1. The problem is to evaluate $$90 \div (3 \times 3) - 32$$.
Using GEMDAS, first evaluate inside the parentheses: $$3 \times 3 = 9$$.
Subtract Numbers
1. The problem is to calculate $2 - 100$.
2. Subtracting 100 from 2 means moving 100 units left from 2 on the number line.
Simple Addition
1. The problem asks us to find the sum of 2 and 12.
2. To solve this, simply add the two numbers together: $$2 + 12$$.
Table Of 2
1. The problem is to generate the multiplication table of 2.
2. The multiplication table lists the products of 2 with numbers from 1 to 10.
Sum Negative
1. Stated problem: Calculate the sum of 20320 and -282.
2. Understand that adding a negative number is equivalent to subtraction: $$20320 + (-282) = 20320 - 282$$
Simple Addition
1. The problem is to calculate the sum of 1 plus 1.
2. We add the two numbers: $1 + 1$.
Grade 2 Arithmetic
1. The worksheet includes simple addition and subtraction problems suitable for Grade 2 IB board kids.
2. Problems:
Decimal Explanation
1.20 is a decimal number representing one whole and twenty hundredths.
1. To understand 1.20, break it down into parts: the number to the left of the decimal point is the whole num
Decimal Addition
1. The problem states: Calculate the sum of 6.39 and 8.94.
2. First, align the numbers by the decimal point:
Round And Add
1. **State the problem:** We are asked to round the numbers 5.14 and 4.57 to the nearest whole number and then add the results.
2. **Round each number:**
Original Bill
1. Stating the problem: If after deducting 6% from the original bill, the amount remaining to be paid is 282, find the original bill amount.
2. Let the original bill amount be $x$.
Addition Subtraction
1. Problem 8: A market stall has 38 apples left, and a box of 148 apples is delivered. We need to find how many apples are on the stall now.
2. Estimation: Round 38 to 40 and 148 t
School Trip Votes
1. Problem statement: A class of 40 students voted on where to go for a school trip.
3/5 voted for The Science Park and the rest voted for Maths World.
Decrease By Percent
1. The problem asks to decrease 43 by 26%. This means we find 26% of 43 and subtract that from 43.
2. Calculate 26% of 43 using multiplication:
Bar Model Questions
3) Find the value of X in the Opposite Bar Model.
Step 1. Understand the Bar Model setup: The top bar is 9,870, the bottom bar is 3,204, and the middle bar is divided into X and an
Subtract Numbers
1. The problem asks to find the value of $m$ given by the expression $m = 5.442 - 2.157$.
2. To solve this, subtract $2.157$ from $5.442$.
Bar Model Values
1. Problem 3: Find the value of $X$ in the opposite bar model.
The bar model has a total of $9,870$ labeled on top, and the bottom section is divided into two parts: $5,104$ on the
Bar Model Values
1. Find the value of $X$ in the opposite bar model.
The bar model shows two bars: the top bar has total length $9,870$, and the bottom bar is divided into two parts: $X$ and $5,104
Simple Subtraction
1. The problem asks us to find the value of $m$ if $m = 4,352 - 2,267$.
2. To solve this, subtract 2,267 from 4,352:
Bar Model Values
1. **Find the value of $X$ in the opposite Bar Model**
- According to the problem, the total length of the bar model is the sum of the two sections: one labeled $X$ with value 4210
Fraction Operations
1. Stating the problem: We need to multiply the mixed numbers $3 \frac{1}{5}, 6 \frac{2}{3},$ and $12$, and then divide $\frac{1}{6}$ by $\frac{12}{13}$ and further divide by $\fra