Mathematical Concepts Intermediate Phase

Rounding Off

Introduction

Rounding means making a number simpler but keeping its value close to what it was.

Rounding Off

10’s

Rounding off to the nearest 10 (ten) is making the number easier to work with.

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Rounding Off

100’s

Rounding off to the nearest 100 (one hundred) is making the number easier to work with.

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Rounding Off

1000’s

Rounding off to the nearest 1000 (one thousand) is making the number easier to work with.

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Add 4 digit numbers

4 Digit Numbers

Working with 4 digit numbers.

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Subtract 4 digit numbers

4 Digit Numbers

Working with 4 digit numbers.

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Multiplication

Introduction

Multiplication is a quicker way to count objects, by placing them into groups.

Multipy 2 digit- with a

1 Digit Number

Multiplying a 2-digit number by a 1-digit number involves repeating the 2-digit number a certain number of times, as indicated by the 1-digit number, and then adding up the results.

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Multipy 2 digit- with a

2 Digit Number

Multiplying a 2 digit number by another 2 digit number involves combining the two numbers in a specific way to find their total value.

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