'Tens column' presentation slideshows

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Regrouping for Double-Digit Subtraction

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Progression in Calculations: A guide for parents

Progression in Calculations: A guide for parents. +. x. ?. ?. -. PBS MATHEMATICS. Reception: Addition. 5. Reception: Subtraction. Key Objective To begin to relate subtraction to taking away. 2. Reception: Multiplication. Doubling numbers to 5 using fingers and mental recall.

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Ch 2 section 1 review

Ch 2 section 1 review. Description and Measurement. 1. Measurement. Measurement is a way to describe the world with numbers. It answers questions such as how much, how long, or how far.

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RIVERSIDE ELEMENTARY SCHOOLS

RIVERSIDE ELEMENTARY SCHOOLS. Everyday Math Algorithms. Partial Sums. An Addition Algorithm. 2 8 7. Add the hundreds ( 200 + 600). + 6 2 5. + 12. Add the partial sums (800 + 100 + 12). Partial Sums. 800. Add the tens (80 +20). 100. Add the ones (7 + 5). 912. 3 4 5.

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Numbers to 999

Hundreds, Tens and Ones. Numbers to 999. We have learned to trade 10 ones for 1 ten. =. We have learned to trade 10 tens for 1 hundred. =. Six groups of ten . Ten groups of ten. sixty. one hundred. 60. 100. Three groups of one hundred. Three Hundred. 300.

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Contemporary Issues

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Spunky Monkey and the Great Math Mystery

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Contemporary Issues

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Parents Guide to Subtraction

Parents Guide to Subtraction. This Power Point Presentation will Show Parents the Language We Use When Teaching Children Subtraction Using Decomposition. Organising numbers:. We organise numbers in columns like this: H T U Hundreds Tens Units

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Engage NY Math Module 7

Engage NY Math Module 7. Lesson 7: Connect area diagrams and the distributive property to partial products of the standard algorithm with renaming. Multiply by Multiples of 10 and 100. Multiply. 2 x 10 = ____ 12 x 10 = ____ 12 x 100 = ____ 4 x 10 = ____ 34 x 10 = ____

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SCRATCH ADDITION

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The All Partial Algorithm

The All Partial Algorithm. A guide to help solve 2 digit multiplication problems. First, record the problem. 36 x 4. Second, break apart the number in your head or on paper. 36 (30 + 6) x 4. Third, imagine multiplying this equation. 36 (30 + 6) x 4 x 4.

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WHOLE NUMBERS MULTIPLICATION

MATH. WHOLE NUMBERS MULTIPLICATION. MULTIPLICATION. THE ANSWER TO A MULTIPLICATION PROBLEM IS CALLED THE PRODUCT. WHEN YOU MULTIPLY TWO NUMBERS, YOU USUALLY PUT THE NUMBER WITH MORE DIGITS ON TOP. START BY MULTIPLYING THE UNITS . EXAMPLE: 1. Find the product of 28 and 407.

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Arithmetic with Different Base Number Systems

Arithmetic with Different Base Number Systems. Mathematical operation such as adding, subtracting, multiplying and dividing can be used regardless of the base number system used.

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Subtraction with Regrouping

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How to do vertical addition By Jonny Hume

How to do vertical addition By Jonny Hume. 45 + 23 =. First write the numbers one on top of the other Make sure the tens and units line up. 45 + 23 ____. 45 + 23 =. First add up the units 5 + 3 = 8

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Subtraction with regrouping ( borrowing )

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Lesson 4-13 Example 1

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