Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd About
Example: Jess is as tall as the metre ruler. She is about 1 metre tall. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd About
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Add mentally
Example: Add 58 and 8 mentally. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Add mentally
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd After
Example: Tuesday comes after Monday. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd After
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd a. m.
Any time from midnight to before noon. Example: 7. 25 in the morning can also be written as 7. 25 a. m. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd a. m.
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Bar graph
A bar graph uses bars instead of pictures or symbols to show data. Example: Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Bar graph
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Before
Example: Wednesday comes before Thursday. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Before
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Calendar
A table or chart that shows the days of the week and months of the year. Example: This calendar is for the month of January in the year 2012. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Calendar
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Carroll diagram
A Carroll diagram helps us sort data in a ‘yes’ or ‘no’ manner. A simple Carroll diagram has two groups. If the first group is labelled ‘A’, then the second group is usually labelled ‘Not A’. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Carroll diagram
Example: The Carroll diagram sorts the children according to whether they wear glasses. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Carroll diagram
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Centimetre (cm)
A unit of measurement for length. Example: The length from the 0 mark to the 1 mark on the ruler is 1 centimetre (or 1 cm). Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Centimetre (cm)
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Cents (¢)
A unit of measurement for money. Example: The quarter has a value of 25 cents. We can also write it as 25¢. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Cents (¢)
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Change
Example: Tom buys a top that costs 45¢. He will get back 30¢ in change if he pays the cashier 75¢. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Change
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Divide
We divide to share objects equally among groups or put objects into equal groups to find the number of groups. We use ÷ when we divide. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Divide
Example: Share the storybooks equally between Tom and Ari. Each boy gets 2 storybooks. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Divide
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Division sentence
Example: ‘ 4 ÷ 2 = 2’ is a division sentence. We read this as ‘ 4 divided by 2 equals 2’. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Division sentence
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Dollars ($)
A unit of measurement for money. Example: This note has a value of 10 dollars. We can also write it as $10. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Dollars ($)
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Double
When we find the double of a number, we add the number to itself. Example: Double of 20 = 20 + 20 So, double of 20 = 40. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Double
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Earlier
Example: 2. 10 p. m. is 30 minutes earlier than 2. 40 p. m. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Earlier
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Gram (g)
A unit of measurement for mass. Example: The mass of the sweet is 5 grams (or 5 g). Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Gram (g)
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Half
When we find half of a number, we divide the number by 2. Example: 24 ÷ 2 = 12 So, half of 24 is 12. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Half
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Half litre ( l)
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Half litre 1 (2 l) A unit of measurement for capacity. Example: The capacity of the vase is half litre (or l).
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Heavier
Example: The pineapple is heavier than the papaya. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Heavier
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Heaviest
Example: The watermelon is the heaviest. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Heaviest
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Kilograms (kg)
A unit of measurement for mass. Example: The mass of the bag of sugar is 1 kilogram (or 1 kg). Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Kilograms (kg)
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Later
Example: 1 hr later 10. 20 a. m. is 1 hour later than 9. 20 a. m. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Later
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Less than
Example: The stool is shorter than the metre ruler. It is less than 1 metre tall. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Less than
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Lighter
Example: The tennis ball is lighter than the basketball. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Lighter
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Lightest
Example: The beach ball is the lightest. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Lightest
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Litre (l)
A unit of measurement for capacity. Example: This is a 1 litre (or 1 l) measuring jug. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Litre (l)
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Longer
Example: Pencil A Pencil B Pencil C Pencil B is longer than Pencil A. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Longer
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Longest
Example: Pencil A Pencil B Pencil C is the longest. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Longest
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Metre (m)
A unit of measurement for length. Example: The ruler is 1 metre (or 1 m) long. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Metre (m)
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Midnight
The end of one day and the start of the next. Example: Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Midnight
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd More than
Example: The teacher is taller than the metre ruler. She is more than 1 metre tall. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd More than
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Multiples
Example: When any number is multiplied by 2, the answer is a multiple of 2. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Multiples
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Multiplication sentence
Example: ‘ 2 × 4 = 8’ is a multiplication sentence. We read this as ‘ 2 times 4 equals 8’. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Multiplication sentence
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Multiply
When we add equal groups together, we are multiplying. We use × when we multiply. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Multiply
Example: We can multiply to find out how many apples there are. 2 groups of 4 = 8 2× 4=8 There are 8 apples altogether. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Multiply
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Noon
Middle of the day. Example: Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Noon
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Note
Example: This is a one dollar ($1) note. It has two sides – front and back. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Note
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Number bond
A number bond shows the parts that make up the whole. Example: 2 and 5 make 7. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Number bond
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd p. m.
Any time from noon to before midnight. Example: 7. 25 in the evening can also be written as 7. 25 p. m. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd p. m.
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Repeated addition
Example: We can use repeated addition to find out how many ducklings there are in 3 groups of 2 = 2 + 2 =6 There are 6 ducklings in 3 groups of 2. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Repeated addition
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Scale
Measurements marked at regular intervals on a graph. Example: Scale Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Scale
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Shorter
Example: Crayon C is shorter than Crayon A. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Shorter
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Shortest
Example: Crayon B is the shortest. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Shortest
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Subtract mentally
Example: Subtract 4 from 46 mentally. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Subtract mentally
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Taller
Example: Giraffe B is taller than Giraffe A. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Taller
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Tallest
Example: Giraffe C is the tallest. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Tallest
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Timetable
Example: This is a weekly timetable. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Timetable
Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Weighing scale
A scale that measures the masses of objects. Example: We can read the mass of the notebook by looking at the markings on the weighing scale. The red pointer is at 100. So, the mass of the notebook is 100 g. Maths SMART Grade 2 © 2012 Alston Publishing House Pte Ltd Weighing scale
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