Question
Use a number line to evaluate the following:
(-1) + (+4)
(-1) + (+4)
✓
Answer
$
(-1)+(+4)
$
For -1 move 1 unit to the left of 0 , then for +4 move 4 units to the right of -1
$
\therefore(-1)+(+4)=+3 \text {. }
$
(-1)+(+4)
$
For -1 move 1 unit to the left of 0 , then for +4 move 4 units to the right of -1
$
\therefore(-1)+(+4)=+3 \text {. }
$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Find the area of a square, whose side is: 7.2 cm.
If $x=10$, evaluate : $\frac{1}{50} \times x ^3$
→Solve: $x+3=-1$
→Which of the algebraic expression are polynomial? Write the degree of polynomial: $y^3-4 y+6$
→Add: $2 x y z,-5 x y z,-x y z$
→Use a number line to evaluate the following:
(-7) – (+5)
(-7) – (+5)
If m = 9 and n = − 2, evaluate 4mn
Construct the 45° angle, using ruler and a pair of compass only.
Do the ratios 2 kg : 80 kg and 25 g : 625 g form a proportion?
Find the value: 5% of 12.6