Common Core: 1st Grade Math : Common Core Math: Grade 1

Study concepts, example questions & explanations for Common Core: 1st Grade Math

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Example Questions

Example Question #371 : Number & Operations In Base Ten

 

Possible Answers:

Correct answer:

Explanation:

When we subtract two digit numbers, we always start with the ones place, on the right, and work our way to the left. 

Example Question #1 : Measure Lengths Indirectly And By Iterating Length Units

Order these objects from smallest to largest. The dog is  inches, the cat is  inches, and the snake is  inches.

Possible Answers:

Cat, snake, dog

Snake, dog, cat

Dog, snake, cat

Dog, cat, snake

Cat, dog, snake

Correct answer:

Cat, dog, snake

Explanation:

When ordering objects from smallest to largest, you need to compare the numbers. The smallest number will be the smallest object. In this case, the number  is smaller than  and  so the cat is the smallest object. The number  is smaller than , so the dog is the next object. The number  is the biggest number, so the snake is the largest object. 

Example Question #1 : Measure Lengths Indirectly And By Iterating Length Units

Order these objects from smallest to largest. The blanket is  inches, the bed in  inches, and the sheet is  inches.

Possible Answers:

Bed, sheet, blanket

Sheet, bed, blanket

Blanket, bed, sheet 

Bed, blanket, sheet

Blanket, sheet, bed

Correct answer:

Bed, blanket, sheet

Explanation:

When ordering objects from smallest to largest, you need to compare the numbers. The smallest number will be the smallest object. In this case, the number  is smaller than  and  so the bed is the smallest object. The number  is smaller than , so the blanket is the next object. The number  is the biggest number, so the sheet is the largest object. 

Example Question #2 : Measure Lengths Indirectly And By Iterating Length Units

Order these objects from smallest to largest. The fireplace is  inches, the mantel is  inches, and the couch is  inches.

Possible Answers:

Fireplace, couch, mantel

Mantel, couch, fireplace

Fireplace, mantel, couch

Couch, mantel, fireplace 

Couch, fireplace, mantel

Correct answer:

Fireplace, mantel, couch

Explanation:

When ordering objects from smallest to largest, you need to compare the numbers. The smallest number will be the smallest object. In this case, the number  is smaller than  and  so the fireplace is the smallest object. The number  is smaller than , so the mantel is the next object. The number  is the biggest number, so the couch is the largest object. 

Example Question #1 : Order And Compare Objects By Length: Ccss.Math.Content.1.Md.A.1

Order these objects from smallest to largest. The square is  inches, the triangle is  inches, and the rectangle is  inches. 

Possible Answers:

Triangle, square, rectangle

Triangle, rectangle, square

Square, rectangle, triangle

Rectangle, square, triangle 

Square, triangle, rectangle

Correct answer:

Square, triangle, rectangle

Explanation:

When ordering objects from smallest to largest, you need to compare the numbers. The smallest number will be the smallest object. In this case, the number  is smaller than  and  so the square is the smallest object. The number  is smaller than , so the triangle is the next object. The number  is the biggest number, so the rectangle is the largest object

Example Question #2 : Order And Compare Objects By Length: Ccss.Math.Content.1.Md.A.1

Order these objects from smallest to largest. The heart is  inches, the smiley face is  inches, and the lighting bolt is  inches. 

Possible Answers:

Lighting bolt, smiley face, heart

Smiley face, lighting bolt, heart

Heart, lighting bolt, smiley face

Heart, smiley face, lighting bolt

Smiley face, heart, lighting bolt

Correct answer:

Smiley face, heart, lighting bolt

Explanation:

When ordering objects from smallest to largest, you need to compare the numbers. The smallest number will be the smallest object. In this case, the number  is smaller than  and  so the smiley face is the smallest object. The number 5 is smaller than , so the heart is the next object. The number  is the biggest number, so the lighting bolt is the largest object. 

Example Question #3 : Measure Lengths Indirectly And By Iterating Length Units

Order these objects from smallest to largest. The ladybug is  inches, the bee is  inches, and the firefly is  inches. 

Possible Answers:

Firefly, ladybug, bee

Bee, firefly, ladybug

Firefly, bee, ladybug

Ladybug, bee, firefly

 Ladybug, firefly, bee

Correct answer:

Ladybug, bee, firefly

Explanation:

When ordering objects from smallest to largest, you need to compare the numbers. The smallest number will be the smallest object. In this case, the number  is smaller than  and  so the ladybug is the smallest object. The number  is smaller than , so the bee is the next object. The number  is the biggest number, so the firefly is the largest object. 

Example Question #4 : Measure Lengths Indirectly And By Iterating Length Units

Order these objects from smallest to largest. The bunny is  inches, the kitten is  inches, and the dog is  inches.

Possible Answers:

Kitten, dog, bunny

Bunny, kitten, dog

Dog, kitten bunny

Bunny, dog, kitten

Kitten, bunny, dog

Correct answer:

Kitten, bunny, dog

Explanation:

When ordering objects from smallest to largest, you need to compare the numbers. The smallest number will be the smallest object. In this case, the number  is smaller than  and  so the kitten is the smallest object. The number  is smaller than , so the bunny is the next object. The number  is the biggest number, so the dog is the largest object. 

Example Question #1181 : Common Core Math: Grade 1

Order these objects from smallest to largest. The purse is  inches, the suitcase is  inches, and the backpack is  inches.

Possible Answers:

Backpack,purse, suitcase

Suitcase, purse, backpack

Suitcase, backpack, purse

Purse, suitcase, backpack

Purse, backpack, suitcase

Correct answer:

Purse, backpack, suitcase

Explanation:

When ordering objects from smallest to largest, you need to compare the numbers. The smallest number will be the smallest object. In this case, the number  is smaller than  and  so the purse is the smallest object. The number  is smaller than , so the backpack is the next object. The number  is the biggest number, so the suitcase is the largest object. 

Example Question #3 : Order And Compare Objects By Length: Ccss.Math.Content.1.Md.A.1

Order these objects from smallest to largest. The rug is  inches, the towel is  inches, and the pillow is  inches.

Possible Answers:

Towel, rug, pillow

Towel, pillow, rug

Pillow, towel, rug

Pillow, rug, towel

Rug, pillow, towel 

Correct answer:

Pillow, towel, rug

Explanation:

When ordering objects from smallest to largest, you need to compare the numbers. The smallest number will be the smallest object. In this case, the number  is smaller than  and  so the pillow is the smallest object. The number  is smaller than , so the towel is the next object. The number  is the biggest number, so the rug is the largest object. 

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