Decimals
Hong Kong
Stage 2
Add numbers with decimal values using standard algorithm
Lesson
Points Plus
We can add numbers that include decimals in just the same way as we would add whole numbers. We just need to line up the numbers according to their place value. All the same addition strategies apply.
Examples
question 1
Evaluate: $1.32+7.44$1.32+7.44
Think: Where do these numbers fit in the place value table?
Do: $1.32+7.44=8.76$1.32+7.44=8.76
question 2
Evaluate: $12.68+2.035$12.68+2.035
Think: Where do the numbers fit in the place value table?
Do: $12.68+2.035=14.715$12.68+2.035=14.715
QUESTION 3
Evaluate $0.75+0.48$0.75+0.48
$\editable{}$ $\editable{}$ + 0 . 7 5 0 . 4 8 $\editable{}$ . $\editable{}$ $\editable{}$
QUESTION 4
Evaluate $0.29$0.29 + $0.96$0.96.
QUESTION 5
Evaluate $8+\frac{8}{10}+\frac{1}{100}+\frac{1}{1000}$8+810+1100+11000, expressing your answer as a decimal.