134 17 - Where do we start? Top right 4 ones minus 7 ones Can’t do it! Take one ten away Tens place 2 Where do we get more ones? 1 ten + 4 ones = 14 ones.

Slides:

Advertisements

Similar presentations

How to check close-to-the-line arrows F E D E R A T I O N I T N E R N A T I O N A L E D E T I R A L ' A R C a b TOP VIEW FRONT VIEW a b c d e c d e.

Advertisements

Subtraction with Regrouping Mrs. Hicks Look at the ones. Ask: Can we take 3 away from 2? If we cant, then we have to regroup.

Subtraction with Regrouping Mrs. Hicks Look at the ones. Ask: Can we take 3 away from 2? If we cant, then we have to regroup.

A Good Negative Attitude! – Minus Sign or Negative Sign ? Work areas: Signing your answers First! Rules for computing with negative numbers.

Multiplication Practice Do you know how to multiply with double digits?

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

Addition & Subtraction Add Plus More than Subtract Difference Take away Altogether Minus Less than +-

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

Whole Numbers How do we use whole numbers to solve real-life problems?

Partial Sums An Addition Algorithm.

Partial Sums An Addition Algorithm Add the hundreds ( ) Add the tens (60 +80) 140 Add the ones (8 + 3) Add the place value sums.

Estimating Sums to the Nearest 10 and 100

$100 $200 $300 $400 $100 $200 $300 $400 $300 $200 $100 Estimate with pictures Round to nearest hundred Round to nearest thousand Add / subtract & estimate.

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.

Understanding Place Value

Lesson 3-6 Example Example 2 Find the difference 572 and 286. Use expanded form. 1.Write the first number in expanded form

Parents Guide to Subtraction This Power Point Presentation will Show Parents the Language We Use When Teaching Children Subtraction Using Decomposition.

MENTAL MATH Subtracting Tens and Compensate Strategy: When subtracting numbers ending in 7, 8, or 9, round that number to the nearest tens and then add.

[Smaller][Bigger] Hundreds are the same.

Multiplying Whole Numbers SWBAT multiply with zeros in one or more whole-number factors.

An alternative subtraction algorithm. In order to subtract, the top number must be larger than the bottom number To make the top number.

Subtraction with borrowing. SUBTRACTION WITH BORROWING Start with the right-hand column as usual When you try to take the 7 away from the 3,

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

Subtraction Counting Down Draw then number line

Adding Two and Three Digit Numbers

Subtracting Friendly Numbers by Grade 4. are numbers that have 9’s in the Ones like 39 or 59 Tens like 199 or 399 Hundreds like 3999 or 6999.

LO: to round to the nearest 10 Which ten is the following number nearest to?

Addition and Subtraction 29 Addition and Subtraction Algorithms 2 ones plus 9 ones equal 11 ones. 11 is 1 ten and 1 one. Record the 1 one in the ones column.

8 ones plus 8 ones equal 16 ones. 16 is 1 ten and 6 ones. Record the 6 ones in the ones column between the equals sign. Because we have more tens, we.

Ms. Miles & Ms. Connelly Subtraction With Regrouping.

MENTAL MATH Front End Mental Math with Addition Strategy: Add the tens place first and then the ones place = = =

Subtraction with Borrowing By Mrs. Cupples So let’s say that we start with the following math problem…

Subtraction with Regrouping

ROUNDING 54 ______ 26 ______ 39 ______ 13 ______ 99 ______ 07 ______

36 LO: to round to the nearest 10

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

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

Multiply By Two Digits Created by M. Guy.

Round to the nearest 100.

How to Multiply By Two Digits

Reading Large Numbers & Identifying Place Value

Rounding Review Tens and Hundreds

Rounding Review Tens and Hundreds

L l l l l l l l l l l 783.

Comparing Numbers.

Place Value © Ashley Lee, 2013.

Remember hundreds, tens and units!

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

Adding Greater Numbers

Rounding Review Tens and Hundreds

Hundred Dollar Questions

Add or Subtract? x =.

Partial products By: Elias and Adam.

Three Digit Subtraction

Addition Grade 4.

□=3 10-□=6 10-□=4 10-□=9 10-□=10 10-□=5 10-□=

Hundred Dollar Questions

Comparing Numbers.

Year 2 Summer Term Week 2 Lesson 2

Year 2 Summer Term Week 2 Lesson 2

Using Addition Properties

Presentation transcript:

Where do we start? Top right 4 ones minus 7 ones Can’t do it! Take one ten away Tens place 2 Where do we get more ones? 1 ten + 4 ones = 14 ones ones - 7 ones = __ ones 2 tens - 1 ten = __ ten 71 1 hundred - 0 hundreds = __ hundreds 1

Add to check your work!

Where do we start? Top right 6 tens minus 8 tens Can’t do it! Take one hundred away Hundreds place 0 Where do we get more tens? 1 hundred + 6 tens = 16 tens tens - 8 tens = __ tens 18 1 hundred - 0 hundreds = __ hundreds 4 ones - 3 ones = __ one

Add to check your work!

Where do we start? Top right 2 tens minus 8 tens Can’t do it! Take one hundred away Hundreds place 4 Where do we get more tens? 1 hundred + 2 tens = 12 tens tens - 8 tens = __ tens 24 4 hundreds - 0 hundreds = __ hundreds 5 ones - 3 ones = __ ones 4

Add to check your work!

Where do we start? Top right 3 tens minus 8 tens Can’t do it! Take one hundred away Hundreds place 1 Where do we get more tens? 1 hundred + 3 tens = 13 tens tens - 8 tens = __ tens 55 1 hundred - 0 hundreds = __ hundreds 8 ones - 3 ones = __ one 1

Add to check your work!

Where do we start? Top right 3 tens minus 5 tens Can’t do it! Take one hundred away Hundreds place 1 Where do we get more tens? 1 hundred + 3 tens = 13 tens tens - 5 tens = __ tens 38 1 hundred - 1 hundred = __ hundreds 4 ones - 1 ones = __ one

Add to check your work!

Where do we start? Top right 6 tens minus 8 tens Can’t do it! Take one hundred away Hundreds place 3 Where do we get more tens? 1 hundred + 6 tens = 16 tens tens - 8 tens = __ tens 28 3 hundreds - 0 hundreds = __ hundreds 5 ones - 3 ones = __ ones 3

Add to check your work!

Where do we start? Top right 1 ten minus 8 tens Can’t do it! Take one hundred away Hundreds place 1 Where do we get more tens? 1 hundred + 1 ten = 11 tens tens - 8 tens = __ tens 03 1 hundred - 0 hundreds = __ hundreds 0 ones - 0 ones = __ one 1

Add to check your work!

Where do we start? Top right 5 tens minus 7 tens Can’t do it! Take one hundred away Hundreds place 0 Where do we get more tens? 1 hundred + 5 tens = 15 tens tens - 7 tens = __ tens 18 0 hundred - 0 hundreds = __ hundreds 4 ones - 3 ones = __ one

Add to check your work!

Where do we start? Top right 8 ones minus 9 ones Can’t do it! Take one ten away Tens place 5 Where do we get more ones? 1 ten + 8 ones = 18 ones ones - 9 ones = __ ones 5 tens - 2 tens = __ tens 93 2 hundred - 1 hundred = __ hundred 1

Add to check your work!

Where do we start? Top right 4 ones minus 7 ones Can’t do it! Take one ten away Tens place 5 Where do we get more ones? 1 ten + 4 ones = 14 ones ones - 7 ones = __ ones 5 tens - 4 tens = __ ten 71 6 hundreds - 5 hundreds = __ hundreds 1

Add to check your work!

Where do we start? Top right 8 ones minus 9 ones Can’t do it! Take one ten away Tens place 1 Where do we get more ones? 1 ten + 8 ones = 18 ones ones - 9 ones = __ ones 1 ten - 1 ten = __ tens 90 8 hundreds - 0 hundreds = __ hundreds 8

Add to check your work!

Where do we start? Top right 3 ones minus 4 ones Can’t do it! Take one ten away Tens place 0 Where do we get more ones? 1 ten + 3 ones = 13 ones ones - 4 ones = __ ones 0 tens - 0 tens = __ tens 90 2 hundreds - 0 hundreds = __ hundreds 2

Add to check your work!

Where do we start? Top right 2 ones minus 7 ones Can’t do it! Take one ten away Tens place 1 Where do we get more ones? 1 ten + 2 ones = 12 ones ones - 7 ones = __ ones 1 tens - 1 ten = __ tens 50 3 hundreds - 0 hundreds = __ hundreds 3

Add to check your work!