Page 172 - NUMINO TB_3A
P. 172
3˙—‡ A· .2–‡ 2011.3.22 6:51 PM ˘ ` 161 PDF_In 2540DPI 150LPI T
S NUMINO
scalene triangle (page 76, Unit 8) T
triangle (page 55, Unit 6)
A triangle with no equal side.
A closed figure with three sides and three
3 cm 2 cm angles.
4 cm
second (page 146, Unit 6)
A unit for measuring time.
60 seconds 1 minute
V
similar (page 144, Unit 15) vertex (page 54, Unit 6)
Shapes that have the same shape and the The shared point at which two rays of an
same or different size. angle meet, two line segments of a plane
figure meet, or three or more edges of a
solid figure meet.
skip-count (page 18, Unit 2) vertex ray
A pattern of counting. angle
To count by twos, fives, tens, and so on. ray
standard form (page 4, Unit 1) W
A way of writing a number with each digit word form (page 4, Unit 1)
that has a place value.
A way of writing a number by using words.
standard form: 189 829
subtraction (page 34, Unit 4) word form: eight hundred twenty-nine
The operation of finding the difference of two Z
or more numbers.
Zero Property of Multiplication
sum
(page 116, Unit 12)
sum (page 25, Unit 3) The product of zero and any number equals 0.
The answer of an addition problem. 5 0=0
14 + 62 = 76
symmetry (page 10, Unit 1)
A figure has symmetry if it can be folded in
half so that the two halves are equal.
Glossary 161
S NUMINO
scalene triangle (page 76, Unit 8) T
triangle (page 55, Unit 6)
A triangle with no equal side.
A closed figure with three sides and three
3 cm 2 cm angles.
4 cm
second (page 146, Unit 6)
A unit for measuring time.
60 seconds 1 minute
V
similar (page 144, Unit 15) vertex (page 54, Unit 6)
Shapes that have the same shape and the The shared point at which two rays of an
same or different size. angle meet, two line segments of a plane
figure meet, or three or more edges of a
solid figure meet.
skip-count (page 18, Unit 2) vertex ray
A pattern of counting. angle
To count by twos, fives, tens, and so on. ray
standard form (page 4, Unit 1) W
A way of writing a number with each digit word form (page 4, Unit 1)
that has a place value.
A way of writing a number by using words.
standard form: 189 829
subtraction (page 34, Unit 4) word form: eight hundred twenty-nine
The operation of finding the difference of two Z
or more numbers.
Zero Property of Multiplication
sum
(page 116, Unit 12)
sum (page 25, Unit 3) The product of zero and any number equals 0.
The answer of an addition problem. 5 0=0
14 + 62 = 76
symmetry (page 10, Unit 1)
A figure has symmetry if it can be folded in
half so that the two halves are equal.
Glossary 161
