Five pages on decimal place value through the thousandths. Page 1 fills a place value chart from the hundreds to the thousandths, finds the value of an underlined digit (the 2 in 4.527 is 0.02), and uses the pattern that each place is 10 times the place to its right and 1/10 of the place to its left. Page 2 moves between standard form and word form, then writes numbers in expanded form two ways: 4.207 = 4 + 0.2 + 0.007 and 4 × 1 + 2 × 1/10 + 7 × 1/1000. Page 3 zooms in on number lines from tenths to hundredths to thousandths, names a number in several ways, and finds 0.001, 0.01, and 0.1 more or less. Page 4 marks decimals and fractions on number lines and orders them, compares pairs such as 0.407 and 0.47 or 3/10 and 0.03, and orders sets of four. Page 5 rounds on number lines, fills a rounding table, and circles every number that rounds to 4.3.
Write a number such as 352.718 in a large place value chart on the board and read it together, saying the place of each digit. On page 3, show that each line is one tenth of the line above it: the part between 0.32 and 0.33 is cut into ten thousandths. Before page 5, ask which tick a number is closer to, and what happens exactly halfway.
Look at prices, sports times, and measurements with three decimal places, such as a race won by 0.004 seconds. Ask your child to read the number aloud, name the place of each digit, and say which of two times is faster.
This pack supports the following Common Core State Standards for Mathematics:
© Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved.
A 5-page decimals pack for 5th grade. Fill a place value chart from the hundreds to the thousandths, find the value of a digit, and use 10 times and 1/10 of. Write decimals in standard, word, and expanded form with decimals and with fractions, zoom in to thousandths on number lines, find 0.001 more or less, compare and order decimals and fractions, and round to the nearest whole number, tenth, and hundredth. Every page comes in color and in black and white. Answer keys included.
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