Worksheet Solutions: Lina’s Family (Measurement) - 3 | Mathematics for Class 1: NCERT (Joyful-Mathematics) PDF Download

Q1: What would you choose, handspan or fingers to find the length of these objects?

(i) Crayons
Ans: Fingers

(ii) Chair
Ans: Handspan

(iii) Book
Ans: Handspan

(iv) Backpack
Ans: Handspan

(v) Pencil sharpener
Ans: Fingers

(vi) Eraser
Ans: Fingers

(vii) Glue stick
Ans: Fingers

(viii) Scissors
Ans: Handspan

(ix) Water bottle
Ans: Handspan

(x) Ruler
Ans: Handspan

Q2: Read and answer each question.

(ii) Ashley is helping her sister, Emily, to do her hair. Ashley has three pieces of ribbon: a 15-inch long red ribbon, an 8-inch long yellow ribbon and a 12-inch long purple ribbon.
 (a) Which piece of ribbon is the shortest?
Ans: The yellow ribbon is the shortest.
(b) Compared to the red one, how much shorter is the yellow one?
Ans: 15 – 8 = 7
The yellow one is 7 inches shorter than the red one.

(iii) William is picking a bookshelf for his room. There is a brown shelf that is 15 inches tall, a white shelf that is 12 inches tall and a black shelf that is 20 inches tall.
(a) Which shelf is the tallest?
Ans: The black shelf is the tallest.
(b) If he stacks the brown shelf on top of the white shelf, how tall will the shelves be?
Ans: 15 + 12 = 27
The shelves will be 27 tall.

(iv) Emma has three rulers: a white one that is 15 cm long, a yellow one that is 25 cm long and a brown one that is 10 cm long.
(a) Which ruler is the shortest?
Ans: Brown ruler
(b) Compared to the shortest ruler, how much longer is the longest ruler?
Ans: 25 – 10 = 15
The longest ruler (yellow) is 15 cm shorter than the shortest ruler (brown).

(v) William has three stacks of cards. The stack of white cards is 20 cm thick. The stack of black cardstocks is 24 cm thick. The stack of brown cardstocks is 12 cm thick.
(a) Which stack of cards is the thinnest?
Ans: Brown cards
(b) Compared to the white cards, how much thicker is the stack of black cards?
Ans: 24 – 20 = 4
The stack of black cards is 4 cm thicker than the stack of white cardstocks.

(vi) Sean has a box of building blocks. The blue blocks are 3 cm tall. The red blocks are 6 cm tall and the yellow blocks are 2 cm tall.

(a) Which kinds of blocks are the tallest?
Ans: Red blocks
(b) Compared to a yellow block, how much taller is a red block?
Ans: 6 – 2 = 4
A red block is 4 cm taller than a yellow block.
(c) If a blue block is stacked on top of a red block, how tall are the two blocks?
Ans: 3 + 6 = 9
The two blocks are 9 cm tall.

Q3: Answer the following Questions.

(i) Use a penny to measure each picture below.
Length: ______ pennies
Ans: Wrench: Length = 8 pennies

(ii) Measure the following objects using the ruler provided
Length: __________ inches
Ans: Pencil: 4 inches

(iii) Measure the following objects using the ruler provided.
Length: __________ centimeters
Ans: Plane: 14 centimeters

(iv) Using the ruler, measure the following crayons and circle the longest crayon.
__________ inches
__________ inches
__________ inches
__________ inches
__________ inches
__________ inches

Ans: 
Red: 4 inches
Orange: 3 inches
Green: 5 inches
Yellow: 2 inches
Purple: 4 inches
Blue: 3 inches
Longest crayon – green

(v) Using the ruler, measure the following trains and circle the longest train.
_____ centimeters
_____ centimeters
_____ centimeters
_____ centimeters
_____ centimeters

Ans:
Red: 10 centimeters
Green: 7 centimeters
Blue: 12 centimeters
Orange: 9 centimeters
Purple: 11 centimeters
Longest train – blue

(vi) Measure the following objects and circle the longer object.
Length: __________ inches
Length: __________ inches
Ans:
Length: 3 inches
 Length: 2 inches

(v) Measure the following objects and circle the shorter object.
Length: __________ centimeters
Length: __________ centimeters
Ans:
Length: 4 centimeters
 Length: 8 centimeters