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- Primary 5 Maths
- Adding and Subtracting Integers
Base ten blocks and numbers
- Intro Lesson1:54
- Lesson: 1a1:53
- Lesson: 1b3:03
- Lesson: 1c1:40
- Lesson: 2a2:14
- Lesson: 2b1:44
- Lesson: 2c1:57
- Lesson: 2d1:44
- Lesson: 3a4:00
- Lesson: 3b3:14
- Lesson: 4a1:28
- Lesson: 4b1:04
- Lesson: 4c1:13
- Lesson: 5a1:41
- Lesson: 5b1:35
- Lesson: 5c1:44
Base ten blocks and numbers
Lessons
In this lesson, we will learn:
- How to use base ten materials to represent numbers
- Writing numbers in expanded form
Notes:
- Regrouping
10 ones can be regrouped into 1 ten:

10 tens can be regrouped into 1 hundred:

10 hundreds can be regrouped into 1 thousand

- IntroductionIntroduction to Base Ten Materials
Overview of lesson - 1.Representing Numbers with Blocks
Show these numbers using base ten blocksa)28b)346c)105 - 2.Numbers from Blocks
What number is this?a)b)c)d) - 3.Regrouping
Regroup hundreds as thousands, tens as hundreds and ones as tensa)2 hundreds + 12 ones + 17 onesb)9 hundreds + 14 tens + 15 ones - 4.Representation in Expanded Form (Using numerals and words)
Write the number in expanded form using numerals and wordsa)89b)831c)4216 - 5.Representation in Expanded Form (Using numerals)
Write the number in expanded form using numeralsa)74b)561c)3183