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Best regards
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Copyright © by William H. Sadlier, Inc. All rights reserved.
Catherine D. LeTourneau
Alfred S. Posamentier
with
Elinor R. Ford
Madelaine Gallin
Former Math Coordinator
Community School District #6
New York, NY
Lucy Lugones
Math Coordinator
St. Luke's School
Whitestone, NY
Tim Mason
District Math Resource Teacher
Palm Beach County School District
West Palm Beach, FL
卡摬楥r-Oxford
A Division of William H. Sadlier, Inc.
www.sadlier-oxford.com
The publisher gratefully acknowledges Rose Anita McDonnell (1905–2003)
and her colleagues for the important role they played in the development of
Progress in Mathematics for more than sixty years.
The authors and editors wish to thank the following Grade 1 teachers and
administrato
Copyright © by William H. Sadlier, Inc. All right
The publisher gratefully acknowledges Rose Anita
Dear Second Grader, Do you know why math is impor
Progress in Mathematics, now in its sixth decade
Welcome to Math . . . . . . . . . . . . . . . . .
Place Value to 100 Theme: Rainforest Chapte
Data and Graphs: Using Operations Copyright © by
Addition: Two-Digit Numbers Theme: Places to Go
Subtraction: Two-Digit Numbers Copyright © by Wi
Geometry Theme: Shapes Around Us Chapter Ope
Money and Time Copyright © by William H. Sadlier
Place Value to 1000 Theme: Inventions and Disco
Addition and Subtraction: Three-Digit Numbers Co
Fractions and Probability Theme: Party and Game
Measurement Copyright © by William H. Sadlier, I
Multiplication and Division Theme: Collections
Contents Copyright © by William H. Sadlier, Inc.
can add to 10. 4 +3 7 4+3=7 Add. 1.
can subtract facts to 10. 10 º4
knows number words to twenty. zero
Compare 19 to 16. Show each number with can comp
can tally. This tally chart shows how many bags o
can add tens. 3 ones + 5 ones = 8 ones
G
can identify plane figures. circles tri
can tell time. I can name the hour. 1011 12 1
can identify equal parts of a whole. This circle
can measure length. about 5 Write abou
Each bag has 5 marbles. These groups are equal.
Use this strategy: Write a number sentence. Thi
Here are some problem-solving
20 points M gh y Moun a n it ti Get Your Tic
Dear Fam il ,
Name
Find the sum. 16. 33 +1 6 49 Remember to add the
Add Ones and Tens Name 24 + 14 = ?
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Count on by ones or tens. Add mentally. 10. 4
Name There are more than 9 ones. Regroup the o
Regroup 10 ones as 1 ten. Use models to reg
Regroup Ones as Tens: Name Use Models Th
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Name Find Hidden Information · Sometimes you ne
Find Hidden Information Kevin looked at 15 books
Name Al finds 27 shells at the beach. Rose fin
Find the sum. Circle the ones you regroup. 6. ten
Regroup Ones as Tens: Name Model and Record
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Find the sum. Regroup where needed. 14. 1 15
Regroup Ones as Tens Name 34 + 17 = ? A
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Name
Fill in the circle under the correct answer. 11.
Name
Estimate the sum.
Remember: Line up the tens and ones. Rewrite the
Rewrite Two-Digit Name Addition
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Name
Add. Regroup where needed. Count On Group Do
Name
Fill in the circle under the correct answer. 9.
Add: Name
Find the sum. Choose the method that works better
Name
Find the sum. Regroup where needed. 22. 6 1 14
Name Use More Than One Step Tim finds 12 smooth
Use More Than One Step 4. 18 ducks are in the pa
Problem-Solving Strategy: Name Use More T
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Name Mixed Strategies Use a strategy you have
Use a strategy you have learned. 6. On Friday 32
Name
Name Math and Social Studies The Four Corners
Name 1. Add mentally. Add 2 to:
Add. 9. 57 +29 10. 77 +13 11. 82 +17
Name
Name Magic Squares
Name
Fill in the circle under the correct answer. 9. J