Remember hundreds, tens and units!

Slides:

Advertisements

Similar presentations

140, 235, 318, 96, 421 Arrange least to greatest..

Advertisements

Objective - To read, write and identify the values of whole numbers.

Lesson 4-8 Example Find the product of 231 and 7. Estimate first. Step 1 Estimate. 200 × 7 = 1,400.

Partial Sums An Addition Algorithm.

Use effective written methods to add whole numbers.

Partitioning four digit numbers

STEP 1 Multiply the digits in the ones place. Write the product in the ones place of the answer box. If the product is greater than ten, carry the number.

Step-Book With Professor Assessor ©

Module 2.6 Adding Two Digit Numbers Hundred Chart.

To the nearest…place value!

$100 $200 $300 $400 $100 $200 $300 $400 $300 $200 $100 Multiply by 1 digit numbers Multiply & estimate results Multiply by 2 digit numbers Multiply.

Steps of Addition Move your mouse over each step to see the directions.

Lesson 10-1: Adding Groups of 10

Today we will be learning: to count on in ones or tens to count back in ones or tens to split two-digit numbers into tens and units to make them easier.

Adding Two and Three Digit Numbers

Today we will be learning to read and write whole numbers up to at least 1000.

© Hamilton Trust Keeping Up Term 2 Week 4 Day 3 Objective: Multiply 3-digit numbers by single-digit numbers using the grid method.

Lesson 44 SWBAT represent hundreds as tens.. How can we represent 100?

Math symbols Rounding 2 digit numbers to the nearest tens Rounding 3 digit numbers to the nearest tens Rounding 3 digit numbers to the nearest hundreds.

Today we will be learning: to recognise and use patterns in subtraction to use patterns to solve further problems.

4,135,652 Place Value Hundred Thousands Ten Thousands Hundreds

Four-digit Place Value, Partitioning, Ordering and Counting by 10s, 100s, 1000s Place Value 17.

Multiplying 2 and 3 Digit Do you remember….?.

Multiply 2-digit numbers using partial products

? 1 ten 1 ten = 10 ones How many ten?

Multiply By Two Digits Created by M. Guy.

Round to the nearest 100.

Counting, Number and Place Value (NPV) Summer Term

How to Multiply By Two Digits

Remember how we can use partitioning to help us to subtract?

Rounding Review Tens and Hundreds

Rounding Review Tens and Hundreds

Comparing Numbers.

Year 2 Autumn Term Week 2 Lesson 4

Partitioning Numbers in Different Ways

Doubles and Halves Lets learn all about it.

4,135,652 Place Value Hundred Thousands Ten Thousands Hundreds

Rounding Numbers Name: ___________________________________

Adding Greater Numbers

Year 2 Autumn Term Week 10 Lesson 5

Rounding Review Tens and Hundreds

Multiple Multiple Digit Whole Numbers

Hundred Dollar Questions

Partial products By: Elias and Adam.

Understanding Number I can count forwards in the 100s.

Year 2 Autumn Term Week 2 Lesson 4

Divisibility 2,5 and 10.

Multiplying by Multiples of 10 and 100

Year 3 (National Numeracy Strategy) (Based on DFEE Sample Lessons)

Scientific Notation.

Three Digit Subtraction

Subtracting 10 Dice Roll Directions:

Year 2 Autumn Term Week 9 Lesson 2

How to?..... Column addition By Lily Fry.

Year 2 Spring Term Week 3 Lesson 1

Year 2 Spring Term Week 3 Lesson 1

Year 2 Autumn Term Week 9 Lesson 2

Strategies for Success

SCIENTIFIC NOTATION ... a way to express very small or very large numbers that is often used in "scientific" calculations where the analysis must be very.

Place Value Name: _____________________

Counting to 100 Counting by ones

Comparing Numbers.

Year 2 Summer Term Week 2 Lesson 2

Year 2 Summer Term Week 2 Lesson 2

Add and Subtract I can use a number line to count in tens or hundreds from any starting point. I explain what each digit represents in a four digit number.

Presentation transcript:

Remember hundreds, tens and units! Today we are going to learn to add 2 and 3 digit numbers using partitioning. Remember hundreds, tens and units!

What strategies would you use to add 2 two-digit numbers quickly? This is one way to do it. Split the tens. Split the units. Count on.

72+15= Split the tens. Split the units. 70 + 10= 80 80+2=82 82+5= 87

43+56= Split the tens. Split the units. 40 + 50= 90 90+3=93 93+6= 99

143+234= Split the hundreds. Split the tens. Split the units. 100 + 200= 300 300+40=340 340+30=370 370+3=373 373+4= 377

Work out the answers before the questions disappear! 21+63= 45+51= 96 84 231+642= 873 How well did you get on?