Common Core: 2nd Grade Math : Count Within 1000 by 1s, 5s, 10s, and 100s, CCSS.Math.Content.2.NBT.A.2

Study concepts, example questions & explanations for Common Core: 2nd Grade Math

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Example Questions

Example Question #1 : Count Within 1000 By 1s, 5s, 10s, And 100s, Ccss.Math.Content.2.Nbt.A.2

What is the missing number? \displaystyle 5, 10, __________\displaystyle 20, 25

Possible Answers:

\displaystyle 14

\displaystyle 20

\displaystyle 15

\displaystyle 13

\displaystyle 11

Correct answer:

\displaystyle 15

Explanation:

In this series we are counting by \displaystyle 5. When counting by \displaystyle 5, \displaystyle 15 is between \displaystyle 10 and \displaystyle 20.

Example Question #2 : Count Within 1000 By 1s, 5s, 10s, And 100s, Ccss.Math.Content.2.Nbt.A.2

What is the missing number? \displaystyle 110, 120, 130, __________, \displaystyle 150

Possible Answers:

\displaystyle 135

\displaystyle 140

\displaystyle 160

\displaystyle 139

\displaystyle 145

Correct answer:

\displaystyle 140

Explanation:

In this series we are counting by \displaystyle 10. When counting by \displaystyle 10, \displaystyle 140 is between \displaystyle 130 and \displaystyle 150

Example Question #3 : Count Within 1000 By 1s, 5s, 10s, And 100s, Ccss.Math.Content.2.Nbt.A.2

What is the missing number? \displaystyle 50, __________\displaystyle 70, 80, 90

Possible Answers:

\displaystyle 61

\displaystyle 55

\displaystyle 40

\displaystyle 59

\displaystyle 60

Correct answer:

\displaystyle 60

Explanation:

In this series we are counting by \displaystyle 10. When counting by \displaystyle 10, \displaystyle 60 is between \displaystyle 50 and \displaystyle 70

Example Question #1 : Count Within 1000 By 1s, 5s, 10s, And 100s, Ccss.Math.Content.2.Nbt.A.2

What is the missing number? \displaystyle 25, 30, 35, __________\displaystyle 45

Possible Answers:

\displaystyle 60

\displaystyle 39

\displaystyle 40

\displaystyle 36

\displaystyle 50

Correct answer:

\displaystyle 40

Explanation:

In this series we are counting by \displaystyle 5. When counting by \displaystyle 5, \displaystyle 40 is between \displaystyle 35 and \displaystyle 45.

Example Question #1 : Count Within 1000 By 1s, 5s, 10s, And 100s, Ccss.Math.Content.2.Nbt.A.2

What is the missing number? \displaystyle 90, 100, __________\displaystyle 120, 130

Possible Answers:

\displaystyle 140

\displaystyle 120

\displaystyle 110

\displaystyle 101

\displaystyle 119

Correct answer:

\displaystyle 110

Explanation:

In this series we are counting by \displaystyle 10. When counting by \displaystyle 10, \displaystyle 110 is between \displaystyle 100 and \displaystyle 120

Example Question #501 : Number & Operations In Base Ten

What is the missing number? \displaystyle 755,___________\displaystyle 765, 770, 775

Possible Answers:

\displaystyle 750

\displaystyle 764

\displaystyle 780

\displaystyle 756

\displaystyle 760

Correct answer:

\displaystyle 760

Explanation:

In this series we are counting by \displaystyle 5. When counting by \displaystyle 5, \displaystyle 760 is between \displaystyle 755 and \displaystyle 765

Example Question #1 : Count Within 1000 By 1s, 5s, 10s, And 100s, Ccss.Math.Content.2.Nbt.A.2

What is the missing number? \displaystyle 300,__________, \displaystyle 500, 600, 700

Possible Answers:

\displaystyle 301

\displaystyle 200

\displaystyle 400

\displaystyle 800

\displaystyle 399

Correct answer:

\displaystyle 400

Explanation:

In this series we are counting by \displaystyle 100. When counting by \displaystyle 100, \displaystyle 400 is between \displaystyle 300 and \displaystyle 500

Example Question #511 : Common Core Math: Grade 2

What is the missing number? \displaystyle 40,__________,\displaystyle 60, 70, 80

Possible Answers:

\displaystyle 90

\displaystyle 30

\displaystyle 55

\displaystyle 45

\displaystyle 50

Correct answer:

\displaystyle 50

Explanation:

In this series we are counting by \displaystyle 10. When counting by \displaystyle 10, \displaystyle 50 is in between \displaystyle 40 and \displaystyle 60

Example Question #1 : Count Within 1000 By 1s, 5s, 10s, And 100s, Ccss.Math.Content.2.Nbt.A.2

What is the missing number? \displaystyle 100\displaystyle 200, __________, \displaystyle 400\displaystyle 500 

Possible Answers:

\displaystyle 300

\displaystyle 399

\displaystyle 201

\displaystyle 3\textup,000

\displaystyle 301

Correct answer:

\displaystyle 300

Explanation:

In this series we are counting by \displaystyle 100. When counting by \displaystyle 100\displaystyle 300 is between \displaystyle 200 and \displaystyle 400

Example Question #1 : Count Within 1000 By 1s, 5s, 10s, And 100s, Ccss.Math.Content.2.Nbt.A.2

What is the missing number? \displaystyle 310\displaystyle 320\displaystyle 330__________\displaystyle 350

Possible Answers:

\displaystyle 360

\displaystyle 335

\displaystyle 331

\displaystyle 349

\displaystyle 340

Correct answer:

\displaystyle 340

Explanation:

In this series we are counting by \displaystyle 10. When counting by \displaystyle 10, \displaystyle 340 is between \displaystyle 330 and \displaystyle 350

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