Smart Board Strategies for Finding 10 more, 10 less
Learning Makes Me Hoppy
14 Followers
Grade Levels
K - 2nd, Homeschool
Subjects
Resource Type
Standards
CCSS1.NBT.B.2a
CCSS1.NBT.B.2c
CCSS1.NBT.C.4
CCSS1.NBT.C.5
CCSS1.NBT.C.6
Formats Included
- NOTEBOOK (SMARTboard) File
Pages
11 pages
Learning Makes Me Hoppy
14 Followers
Description
Practicing strategies for finding 10 more and 10 less. NY Math Module 4, First Grade strategies: rod and units, place value chart, number bond, hundreds chart. Students create a number sentence and use various strategies to solve for 10 more, and 10 less.
Total Pages
11 pages
Answer Key
Included
Teaching Duration
40 minutes
Last updated Apr 13th, 2014
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Standards
to see state-specific standards (only available in the US).
CCSS1.NBT.B.2a
10 can be thought of as a bundle of ten ones - called a “ten.”
CCSS1.NBT.B.2c
The numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 refer to one, two, three, four, five, six, seven, eight, or nine tens (and 0 ones).
CCSS1.NBT.C.4
Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.
CCSS1.NBT.C.5
Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used.
CCSS1.NBT.C.6
Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90 (positive or zero differences), using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used.
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Questions & Answers
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