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Addition of 3-Digit Numbers with Regrouping

We will learn addition of 3-digit numbers with regrouping. 1. Add 495 and 65.Solution: Step 1: Arrange the numbers vertically.Step 2: Add the ones. 5 +...

Subtraction Word Problems – 2-Digit Numbers

Understand the concept on subtraction word problems - 2-digit numbers for the second grade. Read the question carefully to subtract the two-digit numbers to find the...

Divide any 3-Digit Number by 99 in 3 seconds

You can divide any 3-digit number by 99 using this trick. What is the trick? Take a look at the examples below showing how...

How we might have viewed the continuum hypothesis as a fundamental axiom necessary for mathematics, Oxford Phil Maths seminar, May 2025

This will be a talk for the Philosophy of Mathematics Seminar at the University of Oxford, 19 May 2025. Abstract. I shall describe a simple...

Percentage Calculator – Step-by-Step

The following percentage calculator will make it easy to solve some common percentage word problems. Read your problem carefully and just enter the problem...

Worksheet on Subtraction Word Problems

The activity provided in the third grade math worksheet on subtraction word problems is very important for the kids. Students need to read the questions carefully...

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