F
factors
fractions
—adding
—changing to decimals
—dividing
—multiplying
—simplifying answers
—subtracting
H
halving numbers
K
keeping count
L
long division see division
M
multiplication
—by 5
—by 9
—by 11
—by factors
—by multiples of 11
—direct
—double
—explained 2
—getting started
—higher numbers
—lower numbers
—numbers above 100
—numbers above and below 20
—numbers below 20
—numbers in the teens
—numbers just below 100
—of decimals
—two-digit numbers
N
negative numbers
notes to parents and teachers
numbers in circles
—multiplying