6th Grade Math Textbook, Progress

562

Still More Practice,521–32

Strategies(see Estimation strategies and Problem-Solving

Strategies)

Subtraction of decimals

check, 48–9

computation

through hundred thousandths, 6(SU), 48–9, 50–1

estimate differences (see Estimation strategies)

missing minuend / subtrahend, 54, 55

Subtraction of fractions and mixed numbers

computation

like denominators, 230–1, 332–3

mixed numbers, 232–3

unlike denominators, 232–3

estimate differences, 230–1, 332–3

rename differences, 230–3

rename mixed numbers, 232–3

Subtraction of integers

computation, 156–7, 498–9

related to addition, 156–7

representations, 156–7

Subtraction of whole numbers and money

check, 48

computation

across zeros, 48–9

to 10-digit numbers, 48–9

difference / minuend / subtrahend, 6(SU)

estimate differences (see Estimation strategies)

missing minuend / subtrahend, 7(SU)

related to addition, 7(SU)

Symbols, Tables, and Formulas, 129, 563

Symmetry, 358–9

Tables(see Statistics)

Tables of Measure, 564

Tell About It (see Assessment)

Temperature(see Measurement)

Time(see Measurement)

Transformations

graph, 506–7, 508–9, 516

reflection / rotation / translation, 356–7, 506–7, 508–9, 512

tessellations, 360–1

Tree diagrams,276–7, 320

Triangular numbers, 512

Venn diagrams,282–3, 285, 405

Volume(see Measurement and Estimation, measurement)

Whole numbers

compare and order, 1(SU), 67, 69

composite numbers, 180–1, 182–3

divisibility, 3(SU), 88–9, 178–9, 183

expanded form, 36–7, 38–9

on a number line: identify a point on, 150–1

operations (see Addition, Division, Multiplication, and

Subtraction of whole numbers)

prime numbers, 180–1, 182–3, 187, 217

representations, 2(SU), 150–1

rounding (for rules see Estimation, for computation see

Estimation strategies), 42–3

short word names, 34–5

word names, 34–5

Word Problems(see Problem Solving: Applications, Strategies,

and Topics)

Write About It, 89, 107, 111, 131, 155, 255, 259, 261, 307, 315,

317, 331, 347, 359, 393, 417, 421, 427, 431, 455, 477, 481,

483, 505

Write Your Own, 59, 67, 81, 115, 143, 171, 215, 243, 285, 323,

367, 407, 517

Zero

as a numerator, 12(SU), 255

identity property of addition, 222–3

in division, 92–3, 104–5, 160

in multiplication, 254–5

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