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Kentucky - Grade 1 - Math - Numbers and Operations in Base Ten - Subtract Multiples of 10 - KY.1.NBT.6

Description

Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90 (positive or zero differences). a. Subtract using: • concrete models or drawings; • strategies based on place value; • properties of operations; • the relationship between addition and subtraction b. Relate the subtraction strategy to a written method and explain the reasoning used.

Additional Info

  • State - Kentucky
  • Standard ID - KY.1.NBT.6
  • Subjects - Math Common Core
  • Grade - 1

Keywords

  • Math
  • Kentucky grade 1
  • Numbers and Operations in Base Ten

More Kentucky Topics

Understand the two-digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases: a. 10 can be thought of as a bundle of ten ones — called a “ten.” b. The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight or nine ones. c. 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).

Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart and comparing, with unknowns in all positions.

Apply properties of operations as strategies to add and subtract.

Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used.

Distinguish between defining attributes versus non-defining attributes; build and draw shapes to possess defining attributes.

Here is the skill that Kentucky requires you to master

  • Grade Level 1
  • State Test K-PREP
  • State Standards Kentucky Core Academic Standards
  • Subject Math
  • Topic Name Subtract Multiples of 10
  • Standard ID KY.1.NBT.6
  • Description
    Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90 (positive or zero differences). a. Subtract using: • concrete models or drawings; • strategies based on place value; • properties of operations; • the relationship between addition and subtraction b. Relate the subtraction strategy to a written method and explain the reasoning used.

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Education Galaxy’s K-PREP mastery program

Education Galaxy’s K-PREP mastery program provides online assessment and practice for students in Grades K-6 to help build mastery towards the Kentucky Core Academic Standards. Our unique online program is easy to use and enjoyable for both teachers and students. Students work on their Study Plans practicing important concepts while teachers pull formative assessment reports to identify the strengths and weaknesses of their classroom and individual students.