'Ones column' presentation slideshows

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New Jersey Center for Teaching and Learning Progressive Mathematics Initiative.

1.54k views • 142 slides

Section 4.1 Mental Math

Section 4.1 Mental Math.

1.77k views • 125 slides

Regrouping for Double-Digit Subtraction

786 views • 43 slides

Computer Science

609 views • 37 slides

Breaking Each Number into Its Place Value

Breaking Each Number into Its Place Value. Category 1. Smaller two-digit numbers that do not require regrouping. 10 + 10 10 + 11 12 + 13 14 + 15. 12 + 17 15 + 14 13 + 16 11 + 17. 10 + 20 11 + 22 14 + 23 15 + 21. 20 + 20 23 + 25 25 + 21 22 + 26. 10 + 30 13 + 31 33 + 16 18 + 31.

381 views • 30 slides

Cakes and Calculations

Cakes and Calculations. Addition. Mental Strategies for Addition. Secure mental addition requires the ability to: recall number facts instantly (number pairs to 10, 20 & 100, doubles etc)

412 views • 27 slides

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.

1.33k views • 25 slides

Lattice multiplication (327 x 28)

Lattice multiplication (327 x 28). 3. 2. 7. 2. 8. Lattice multiplication (327 x 28). 3. 2. 7. 2. 8. Lattice multiplication (327 x 28). 3. 2. 7. 2. 8. Lattice multiplication (327 x 28). 3. 2. 7. 2. 8. Lattice multiplication (327 x 28). 3. 2. 7. 2. 8.

614 views • 24 slides

Rounding and Ordering Numbers Revision

348 views • 18 slides

Subtraction

Subtraction. with Regrouping. By Dianna Burke Golden Acres Elementary Pasadena Independent School District. Always start with the ones column. Find the DIFFERENCE between the top and bottom numbers. Can I remove 6 ?. No !. 2 4. -1 6 . I have 4 ones. Ones. 24.

1.87k views • 15 slides

Tens and Ones

Tens and Ones. Numbers to 50 (fifty). Rachel Freshour - Talbott Elementary. We have learned to trade 10 ones for 1 ten. =. TENS. ONES. 1. 4. This is the tens column. One ten equals 10 ones. This is the ones column. Two groups of ten. Three groups of ten. Four groups of ten.

796 views • 11 slides

Tens and Ones

Tens and Ones. Numbers to 50 (fifty). Rachel Freshour - Talbott Elementary. We have learned to trade 10 ones for 1 ten. =. TENS. ONES. 1. 4. This is the tens column. One ten equals 10 ones. This is the ones column. Two groups of ten. Three groups of ten. Four groups of ten.

9.31k views • 11 slides

Using a Chip Abacus to Show Addition

Using a Chip Abacus to Show Addition. Addition using a Chip Abacus. Lay out chips to represent each of the numbers in 2 separate groups. . Hundreds . Tens. Ones. 152 + 35. Addition using a Chip Abacus. Now slide all the chips together. Hundreds . Tens. Ones. 152 + 35.

553 views • 11 slides

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.

196 views • 11 slides

Two Digit by One Digit Multiplication

Two Digit by One Digit Multiplication. Mrs. Killion went shopping to buy some candy for her students. The table below has information about the candy she bought.

4.49k views • 11 slides

Do I Need To Regroup?

218 views • 10 slides

Warm-up for Lesson 3

211 views • 9 slides

1.11k views • 8 slides

An alternative subtraction algorithm

Trade-First Subtraction. An alternative subtraction algorithm . 12. When subtracting using this algorithm, start by going from left to right. 8. 12. 13. 9 3 2 - 3 5 6.

291 views • 5 slides

Adding and Subtracting

Adding and Subtracting. Review of Adding. Line up each column with the same value in the number below: 457 8 (8 is in the ones column) +654 3 (3 is in the one column). Adding Whole Numbers. Once the columns are lined up, add the numbers

182 views • 5 slides