![UNIT 04 December
1. Calculate.
a) 𝟑𝟑 ∙ (−𝟐𝟐) = b) 𝟒𝟒 ∙ (+𝟓𝟓) = c) 𝟖𝟖 ∙ (−𝟔𝟔) =
d) −𝟔𝟔 ∙ (+𝟑𝟑) = e) −𝟐𝟐 ∙ (−𝟒𝟒) = f) −𝟔𝟔 ∙ (+𝟑𝟑) =
g) (+𝟑𝟑) ∙ (−𝟖𝟖) = h) (−𝟗𝟗) ∙ (−𝟑𝟑) = i) (−𝟓𝟓) ∙ (−𝟕𝟕) =
2. Calculate the integer quotient:
a) (−𝟖𝟖) ÷ (+𝟐𝟐) = b) (+𝟐𝟐𝟐𝟐) ÷ (−𝟏𝟏𝟏𝟏) = c) (−𝟏𝟏𝟏𝟏) ÷ (−𝟒𝟒) =
d) (−𝟒𝟒) ÷ (+𝟑𝟑) = e) (+𝟐𝟐𝟎𝟎) ÷ (−𝟕𝟕) = f) (−𝟏𝟏𝟏𝟏) ÷ (−𝟑𝟑) =
g) (+𝟑𝟑𝟑𝟑) ÷ (+𝟖𝟖) = h) (−𝟑𝟑𝟑𝟑) ÷ (+𝟗𝟗) = i) (−𝟒𝟒𝟒𝟒) ÷ (−𝟖𝟖) =
3. Calculate:
a) (+𝟑𝟑) ∙ (−𝟓𝟓) ∙ (+𝟐𝟐) = b) (−𝟒𝟒) ∙ (−𝟏𝟏) ∙ (+𝟔𝟔) =
c) (−𝟐𝟐) ∙ (−𝟕𝟕) ∙ (−𝟐𝟐) = d) (+𝟓𝟓) ∙ (−𝟒𝟒) ∙ (−𝟑𝟑) =
4. Calculate:
a) [(+𝟖𝟖𝟖𝟖) ÷ (−𝟖𝟖)] ÷ (−𝟓𝟓) = b) [(−𝟕𝟕𝟕𝟕) ÷ (−𝟐𝟐)] ÷ (−𝟕𝟕) =
c) (+𝟓𝟓𝟓𝟓) ÷ [(−𝟑𝟑𝟑𝟑) ÷ (+𝟔𝟔)] = d) (−𝟒𝟒𝟒𝟒) ÷ [(+𝟐𝟐𝟐𝟐) ÷ (+𝟑𝟑)] =
5. Calculate:
a) [(+𝟔𝟔) ∙ (−𝟒𝟒)] ÷ (−𝟑𝟑) = b) [(−𝟏𝟏𝟏𝟏) ∙ (−𝟐𝟐)] ÷ (+𝟔𝟔) =
c) (−𝟓𝟓) ∙ [(+𝟏𝟏𝟏𝟏) ÷ (−𝟑𝟑)] = d) [(−𝟓𝟓) ∙ (+𝟏𝟏𝟏𝟏)] ÷ (−𝟑𝟑) =
6. Calculate:
a) (−𝟑𝟑) ∙ [(−𝟐𝟐) + (−𝟒𝟒)] = b) (+𝟒𝟒) ∙ [(−𝟓𝟓) + (+𝟐𝟐)] =
c) (+𝟔𝟔) ÷ [(+𝟓𝟓) − (+𝟕𝟕)] = d) (−𝟐𝟐𝟐𝟐) ÷ [(−𝟔𝟔) − (−𝟐𝟐)] =
e) [(−𝟖𝟖) + (+𝟕𝟕)] ∙ (−𝟑𝟑) = f) [(−𝟗𝟗) + (−𝟑𝟑)] ÷ (+𝟔𝟔) =
Axel Cotón Gutiérrez Mathematics 1º ESO Exercises – 1.4.3.1](https://image.slidesharecdn.com/exercises4-170103092120/85/1-ESO-Unit-04-Exercises-1-4-3-Integer-Multiplication-and-Division-1-320.jpg)
![UNIT 04 December
7. Solve:
a) 𝟓𝟓 ∙ (−𝟒𝟒) + 𝟐𝟐 ∙ (−𝟑𝟑) =
b) 𝟐𝟐𝟎𝟎 ÷ (−𝟓𝟓) − 𝟖𝟖 ÷ (+𝟐𝟐) =
c) 𝟐𝟐 ∙ (−𝟖𝟖) − 𝟑𝟑 ∙ (−𝟕𝟕) − 𝟒𝟒 ∙ (+𝟑𝟑) =
d) 𝟔𝟔 ÷ (+𝟐𝟐) + 𝟓𝟓 ∙ (−𝟑𝟑) − 𝟏𝟏𝟏𝟏 ÷ (−𝟒𝟒) =
8. Solve:
a) (−𝟖𝟖) ∙ (+𝟐𝟐) + (−𝟓𝟓) ∙ (−𝟑𝟑) =
b) (+𝟒𝟒𝟒𝟒) ÷ (−𝟖𝟖) − (−𝟑𝟑𝟎𝟎) ÷ (+𝟔𝟔) =
c) (−𝟐𝟐) ∙ (−𝟗𝟗) + (−𝟐𝟐𝟐𝟐) ÷ (−𝟑𝟑) − (−𝟔𝟔) ∙ (−𝟒𝟒) =
d) (+𝟐𝟐𝟐𝟐) ÷ (−𝟑𝟑) − (+𝟑𝟑) ∙ (−𝟓𝟓) − (−𝟔𝟔) ∙ (−𝟐𝟐) =
9. Solve:
a) 𝟏𝟏𝟗𝟗 − (−𝟑𝟑) ∙ [𝟓𝟓 − (+𝟖𝟖)] =
b) 𝟏𝟏𝟐𝟐 + (−𝟓𝟓) ∙ [𝟖𝟖 + (−𝟗𝟗)] =
c) 𝟏𝟏𝟐𝟐 − [𝟏𝟏𝟏𝟏 − (−𝟕𝟕)] ÷ (−𝟓𝟓) =
d) 𝟏𝟏𝟎𝟎 − (+𝟐𝟐𝟐𝟐) ÷ [𝟕𝟕 + (−𝟑𝟑)] =
e) (−𝟐𝟐) ∙ (𝟓𝟓 − 𝟕𝟕) − (−𝟑𝟑) ∙ (𝟖𝟖 − 𝟔𝟔) =
f) (𝟗𝟗 − 𝟔𝟔) ∙ (−𝟐𝟐) + (𝟏𝟏𝟏𝟏 + 𝟑𝟑) ÷ (−𝟒𝟒) =
Axel Cotón Gutiérrez Mathematics 1º ESO Exercises – 1.4.3.2](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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Maths exercises calculating expressions and solving equations
- 1. UNIT 04 December 1. Calculate. a) 𝟑𝟑 ∙ (−𝟐𝟐) = b) 𝟒𝟒 ∙ (+𝟓𝟓) = c) 𝟖𝟖 ∙ (−𝟔𝟔) = d) −𝟔𝟔 ∙ (+𝟑𝟑) = e) −𝟐𝟐 ∙ (−𝟒𝟒) = f) −𝟔𝟔 ∙ (+𝟑𝟑) = g) (+𝟑𝟑) ∙ (−𝟖𝟖) = h) (−𝟗𝟗) ∙ (−𝟑𝟑) = i) (−𝟓𝟓) ∙ (−𝟕𝟕) = 2. Calculate the integer quotient: a) (−𝟖𝟖) ÷ (+𝟐𝟐) = b) (+𝟐𝟐𝟐𝟐) ÷ (−𝟏𝟏𝟏𝟏) = c) (−𝟏𝟏𝟏𝟏) ÷ (−𝟒𝟒) = d) (−𝟒𝟒) ÷ (+𝟑𝟑) = e) (+𝟐𝟐𝟎𝟎) ÷ (−𝟕𝟕) = f) (−𝟏𝟏𝟏𝟏) ÷ (−𝟑𝟑) = g) (+𝟑𝟑𝟑𝟑) ÷ (+𝟖𝟖) = h) (−𝟑𝟑𝟑𝟑) ÷ (+𝟗𝟗) = i) (−𝟒𝟒𝟒𝟒) ÷ (−𝟖𝟖) = 3. Calculate: a) (+𝟑𝟑) ∙ (−𝟓𝟓) ∙ (+𝟐𝟐) = b) (−𝟒𝟒) ∙ (−𝟏𝟏) ∙ (+𝟔𝟔) = c) (−𝟐𝟐) ∙ (−𝟕𝟕) ∙ (−𝟐𝟐) = d) (+𝟓𝟓) ∙ (−𝟒𝟒) ∙ (−𝟑𝟑) = 4. Calculate: a) [(+𝟖𝟖𝟖𝟖) ÷ (−𝟖𝟖)] ÷ (−𝟓𝟓) = b) [(−𝟕𝟕𝟕𝟕) ÷ (−𝟐𝟐)] ÷ (−𝟕𝟕) = c) (+𝟓𝟓𝟓𝟓) ÷ [(−𝟑𝟑𝟑𝟑) ÷ (+𝟔𝟔)] = d) (−𝟒𝟒𝟒𝟒) ÷ [(+𝟐𝟐𝟐𝟐) ÷ (+𝟑𝟑)] = 5. Calculate: a) [(+𝟔𝟔) ∙ (−𝟒𝟒)] ÷ (−𝟑𝟑) = b) [(−𝟏𝟏𝟏𝟏) ∙ (−𝟐𝟐)] ÷ (+𝟔𝟔) = c) (−𝟓𝟓) ∙ [(+𝟏𝟏𝟏𝟏) ÷ (−𝟑𝟑)] = d) [(−𝟓𝟓) ∙ (+𝟏𝟏𝟏𝟏)] ÷ (−𝟑𝟑) = 6. Calculate: a) (−𝟑𝟑) ∙ [(−𝟐𝟐) + (−𝟒𝟒)] = b) (+𝟒𝟒) ∙ [(−𝟓𝟓) + (+𝟐𝟐)] = c) (+𝟔𝟔) ÷ [(+𝟓𝟓) − (+𝟕𝟕)] = d) (−𝟐𝟐𝟐𝟐) ÷ [(−𝟔𝟔) − (−𝟐𝟐)] = e) [(−𝟖𝟖) + (+𝟕𝟕)] ∙ (−𝟑𝟑) = f) [(−𝟗𝟗) + (−𝟑𝟑)] ÷ (+𝟔𝟔) = Axel Cotón Gutiérrez Mathematics 1º ESO Exercises – 1.4.3.1
- 2. UNIT 04 December 7. Solve: a) 𝟓𝟓 ∙ (−𝟒𝟒) + 𝟐𝟐 ∙ (−𝟑𝟑) = b) 𝟐𝟐𝟎𝟎 ÷ (−𝟓𝟓) − 𝟖𝟖 ÷ (+𝟐𝟐) = c) 𝟐𝟐 ∙ (−𝟖𝟖) − 𝟑𝟑 ∙ (−𝟕𝟕) − 𝟒𝟒 ∙ (+𝟑𝟑) = d) 𝟔𝟔 ÷ (+𝟐𝟐) + 𝟓𝟓 ∙ (−𝟑𝟑) − 𝟏𝟏𝟏𝟏 ÷ (−𝟒𝟒) = 8. Solve: a) (−𝟖𝟖) ∙ (+𝟐𝟐) + (−𝟓𝟓) ∙ (−𝟑𝟑) = b) (+𝟒𝟒𝟒𝟒) ÷ (−𝟖𝟖) − (−𝟑𝟑𝟎𝟎) ÷ (+𝟔𝟔) = c) (−𝟐𝟐) ∙ (−𝟗𝟗) + (−𝟐𝟐𝟐𝟐) ÷ (−𝟑𝟑) − (−𝟔𝟔) ∙ (−𝟒𝟒) = d) (+𝟐𝟐𝟐𝟐) ÷ (−𝟑𝟑) − (+𝟑𝟑) ∙ (−𝟓𝟓) − (−𝟔𝟔) ∙ (−𝟐𝟐) = 9. Solve: a) 𝟏𝟏𝟗𝟗 − (−𝟑𝟑) ∙ [𝟓𝟓 − (+𝟖𝟖)] = b) 𝟏𝟏𝟐𝟐 + (−𝟓𝟓) ∙ [𝟖𝟖 + (−𝟗𝟗)] = c) 𝟏𝟏𝟐𝟐 − [𝟏𝟏𝟏𝟏 − (−𝟕𝟕)] ÷ (−𝟓𝟓) = d) 𝟏𝟏𝟎𝟎 − (+𝟐𝟐𝟐𝟐) ÷ [𝟕𝟕 + (−𝟑𝟑)] = e) (−𝟐𝟐) ∙ (𝟓𝟓 − 𝟕𝟕) − (−𝟑𝟑) ∙ (𝟖𝟖 − 𝟔𝟔) = f) (𝟗𝟗 − 𝟔𝟔) ∙ (−𝟐𝟐) + (𝟏𝟏𝟏𝟏 + 𝟑𝟑) ÷ (−𝟒𝟒) = Axel Cotón Gutiérrez Mathematics 1º ESO Exercises – 1.4.3.2