Level 1
2-8
-6
20 - 4 ÷ 4
19
−3 × (−1) + 4 × (−2)
-5
0 × (−3) − (−4) × 0 + 0
0
A chemical solution starts at a temperature of 25°C, falls to −3°C, rises to 15°C and then falls again to −8°C. What is the total change in temperature?
690C
-4-(-7)
3
10 - 1 x -4
14
−30 ÷ 5 − 6 × 2
-18
1 − 2 × (−3) ÷ (−3 − (−2))
-5
$100 of debt is added to an existing balance of $50 of debt. Later, $120 of debt is removed from the balance. What is the final balance?
-$30
-8x9
-72
10 + 2 x -3
4
−2 × 3 − 4 ÷ (−2)
-4
(−3 + (−5)) × (−2 − (−1))
8
A debt of $550 is doubled and then $350 of debt is
removed each month for 3 months. What is the final
balance?
-$50
24 ÷ -6
-4
-3 x (-2 + 4)
-6
(3 − 7) ÷ (−1 + 0)
4
−5 − (8 + (−2)) + 9 ÷ (−9)
-12
A hiker starts at 250m above sea level, he climbs the mountain for another 175m, then he descends the mountain 500m and goes for a swim, how far below sea level is the hiker?
-75m
-78 ÷ -13
6
10 ÷ (4 - -1)
2
−2 × (8 − 4) + (−6)
-14
(-7+9) x 6 ÷(2 x -6)
-1
Chelsea buys 7 pairs of sock, and gifts 2 pairs to Mia. If Mia already owns 13 pairs, how many individual socks do Chelsea and Mia own combined
Chelsea- 10 socks
Mia- 30 socks
Combined- 40 socks