Year 4 maths · W.2 · Whole-Dollar Mental Maths
Subtract whole-dollar amounts
Bigger amounts. Count up from the smaller number.
See worked examples
$160 − $142 =
Answer: $18
$297 − $128 =
Answer: $169
$242 − $216 =
Answer: $26
Tip: Bigger amounts. Count up from the smaller number.
On paper: this skill is in the printable pack Grade 4 Ontario Math: Financial Literacy, with an answer key.
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