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Common Core Standard 1.NBT.B.2c Questions

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).

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Grade 1 Whole Numbers CCSS: 1.NBT.B.2, 1.NBT.B.2c
2 tens + 0 ones =
  1. 10
  2. 12
  3. 16
  4. 20
Grade 1 Whole Numbers CCSS: 1.NBT.B.2, 1.NBT.B.2c
Grade 1 Whole Numbers CCSS: 1.NBT.B.2, 1.NBT.B.2c
How many tens?
Ten Cubes Ten Cubes
  1. 1
  2. 2
  3. 10
  4. 20
Grade 1 Whole Numbers CCSS: 1.NBT.B.2, 1.NBT.B.2c
How many tens?
Ten Cubes
  1. 0
  2. 1
  3. 2
  4. 3
Grade 1 Whole Numbers CCSS: 1.NBT.B.2, 1.NBT.B.2c
How many tens?
Ten Cubes Ten Cubes Ten Cubes Ten Cubes Ten Cubes Ten Cubes Ten Cubes Ten Cubes Ten Cubes
  1. 7
  2. 8
  3. 9
  4. 10
Grade 1 Whole Numbers CCSS: 1.NBT.B.2, 1.NBT.B.2c
Grade 1 Whole Numbers CCSS: 1.NBT.B.2, 1.NBT.B.2c
Grade 1 Whole Numbers CCSS: 1.NBT.B.2, 1.NBT.B.2c
How many tens?
Ten Cubes Ten Cubes Ten Cubes Ten Cubes Ten Cubes Ten Cubes Ten Cubes Ten Cubes
  1. 7
  2. 8
  3. 9
  4. 10
Grade 1 Whole Numbers CCSS: 1.NBT.B.2, 1.NBT.B.2c
How many tens?
Ten Cubes Ten Cubes Ten Cubes Ten Cubes Ten Cubes Ten Cubes Ten Cubes Ten Cubes Ten Cubes Ten Cubes
  1. 7
  2. 8
  3. 9
  4. 10
Grade 1 Whole Numbers CCSS: 1.NBT.B.2, 1.NBT.B.2c
Grade 1 Whole Numbers CCSS: 1.NBT.B.2, 1.NBT.B.2c
How many tens?
Ten Cubes Ten Cubes Ten Cubes Ten Cubes
  1. 4
  2. 5
  3. 40
  4. 50
Grade 1 Place Value CCSS: 1.NBT.B.2c

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