REVIEW Subtraction: I SPY SUBTRACT to 20 . . . NO PREP . . . MATH Puzzles
I SPY SUBTRACT to 20 is a fun way to reinforce subtraction facts. Grades 1-2 CORE Math
Subtraction puzzles work just like a word search puzzle except using numbers.
. . . NO PREP . . . PRINT . . . USE . . . NO PREP . . .
"Always something EXTRA" to help TEACH / REVIEW / PRACTICE skills in FUN ways.
Answers are found from left to right and from top to bottom.
Students search for the basic subtraction facts listed at the bottom of each puzzle.
Students then circle the minuends, subtrahends, and differences on the grid and put in the subtraction sign (–) and equal sign (=) in the appropriate places.
An answer sheet is provided for each I SPY SUBTRACT puzzle so students can
check their own work as they finish each puzzle.
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Use I SPY SUBTRACT to 20 as:
morning warm-up activities
learning center activities
activities for “early finishers”
instant activities for substitutes
A note from the authors:
In creating the puzzles and answer keys, we noticed we were repeating the subtraction patterns over and over, 11 - 3 = 8, 11 - 3 = 8; 18 - 6 = 12, 18 - 6 = 12, and realized how this repetition will help students reinforce the basic addition facts as they search the puzzles.
© Jean VanDerford and Linda Schwartz for Teaching Stuff Place
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OTHER BASIC FACTS PRACTICE FOR YOUR STUDENTS
Click here for I SPY SUBTRACT, Facts to 10 Puzzles
Click here for I SPY SUBTRACT, Facts to 20 Puzzles
Click here for I SPY ADD, Sums to 10 Puzzles
Click here for I SPY ADD, Sums to 20 Puzzles
< SPIN in SPACE ADDITION DISCS
Click here for SPIN in SPACE ADDITION DISCS
10 Space Crafts, each with a disc, wheel, gives practice of 11 mental addition facts in order and difficulty. That's 110 mental problems.
< CREEPY CRAWLY SUBTRACTION DISCS
Click here for CREEPY CRAWLY SUBTRACTION DISCS
SUBTRACTION FACTS on wheels with numbers to 19 on 10 discs.
< ADDITION and SUBTRACTION in DESIGNS
Click here for ADDITION and SUBTRACTION in DESIGNS
Addition and Subtraction facts on 10 designs to add and subtract with numbers to 20. Mental Addition and Subtraction to 20 will complete colorful geometric designs. The worksheets reinforce addition and subtraction as students copy the problems from each design.
< SPACE CREATURE WORD SLIDES
Click here for SPACE CREATURE WORD SLIDES for 217 Basic Sight Words.
< RHYMING WORDS in DESIGNS
Click here for RHYMING WORDS in DESIGNS to prepare students for first grade
with a review of Kindergarten sight words and words that rhyme with sight words, all using short vowels.
Enjoy, Jean VanDerford
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I SPY SUBTRACT to 20
COMMON CORE MATH STANDARDS
Add and Subtract within 20.
CCSS.Math.Content.1.OA.C.6 Add and subtract within 20, demonstrating fluency for addition and subtraction within 10.
CCSS.Math.Content.2.OA.B.2 Fluently add and subtract within 20 using mental strategies.2 By end of Grade 2, know from memory all sums of two one-digit numbers.