N U M E R A C Y N I N J A S . O R G © 2 0 1 5 N U M E R A C Y N I N J A S . A L L R I G H T S R E S E R V E D

Order of Operations- Harder Key Skills Complete the daily exercises to focus on improving this skill.

Day 1 Q Question Answer 1 (9 - 9)² + 2 × 4 2 (4 - 4)² + 5 × 5 3 (6 + 6) × 2 4 (1 + 59) ÷ 6 5 √4 + 10 ÷ 5 6 (73 - 1) ÷ 8 7 (5 + 43) ÷ 8 8 10 - 6 × 4 9 (8 - 3)² + 3 × 1 10 (4 + 6) × 2 Day 3 Q Question Answer 1 2² + 4 × 1 2 (68 - 5) ÷ 9 3 3² + 4 × 4 4 (95 - 5) ÷ 9 5 (4 + 36) ÷ 8 6 (4 - 2)² + 1 × 1 7 (4 + 9) × 2 8 (2 + 6) × 1 9 (62 - 2) ÷ 10 10 (7 + 9) × 4

Day 2 Q Question Answer 1 √81 + 36 ÷ 4 2 √25 + 15 ÷ 3 3 (61 - 1) ÷ 10 4 (71 - 1) ÷ 10 5 (14 - 4) ÷ 10 6 1² + 4 × 3 7 (2 + 54) ÷ 7 8 (66 - 3) ÷ 9 9 (1 + 10) × 5 10 9 - 9 × 3 Day 4 Q Question Answer 1 (10 + 3) × 4 2 8 - 1 × 4 3 (1 + 8) × 2 4 (1 + 44) ÷ 5 5 (7 + 1) × 5 6 (1 + 5) × 1 7 (2 + 58) ÷ 10 8 (5 + 20) ÷ 5 9 (6 - 6)² + 3 × 1 10 (30 - 3) ÷ 9

N U M E R A C Y N I N J A S . O R G © 2 0 1 5 N U M E R A C Y N I N J A S . A L L R I G H T S R E S E R V E D

Order of Operations- Harder Key Skills Complete the daily exercises to focus on improving this skill.

Day 5 Q Question Answer 1 (3 + 87) ÷ 10 2 (10 - 4) ÷ 6 3 (3 + 3) × 5 4 (9 - 5)² + 5 × 2 5 (2 + 1) × 5 6 10 - 9 × 3 7 (11 - 1) ÷ 10 8 5 - 4 × 5 9 (6 - 2)² + 3 × 5 10 (7 - 1)² + 4 × 3 Day 7 Q Question Answer 1 4² + 2 × 4 2 (6 - 4)² + 5 × 4 3 (1 + 6) × 2 4 3² + 2 × 3 5 (9 - 2)² + 1 × 4 6 (32 - 5) ÷ 9 7 (2 + 46) ÷ 8 8 (6 - 5)² + 1 × 1 9 4² + 2 × 4 10 √64 + 16 ÷ 2

Day 6 Q Question Answer 1 (6 - 4)² + 3 × 5 2 (6 - 4)² + 2 × 4 3 (10 - 1)² + 4 × 3 4 (1 + 80) ÷ 9 5 (5 + 5) × 1 6 (52 - 4) ÷ 6 7 √49 + 35 ÷ 5 8 4 - 2 × 5 9 (3 + 77) ÷ 10 10 9 - 7 × 5 Day 8 Q Question Answer 1 (62 - 2) ÷ 10 2 (9 + 6) × 2 3 (19 - 1) ÷ 9 4 (3 + 51) ÷ 9 5 (4 - 1)² + 4 × 5 6 (1 + 29) ÷ 5 7 4² + 5 × 2 8 √9 + 9 ÷ 3 9 4 - 2 × 2 10 (56 - 2) ÷ 9

N U M E R A C Y N I N J A S . O R G © 2 0 1 5 N U M E R A C Y N I N J A S . A L L R I G H T S R E S E R V E D

Order of Operations- Harder Key Skills Complete the daily exercises to focus on improving this skill.

Day 9 Q Question Answer 1 (8 + 9) × 3 2 10 - 3 × 1 3 9 - 6 × 5 4 (4 + 31) ÷ 5 5 7 - 4 × 2 6 (6 - 1)² + 3 × 2 7 2² + 1 × 3 8 (9 + 1) × 1 9 (84 - 4) ÷ 8 10 10 - 7 × 4

Day 10 Q Question Answer 1 (5 - 3)² + 1 × 3 2 (3 + 97) ÷ 10 3 (3 + 9) × 1 4 (3 - 1)² + 2 × 2 5 √25 + 15 ÷ 3 6 √36 + 30 ÷ 5 7 (15 - 5) ÷ 10 8 (3 + 6) × 1 9 (50 - 2) ÷ 8 10 (1 - 1)² + 2 × 3

N U M E R A C Y N I N J A S . O R G © 2 0 1 5 N U M E R A C Y N I N J A S . A L L R I G H T S R E S E R V E D

Order of Operations- Harder Key Skills Complete the daily exercises to focus on improving this skill.

Day 1 Q Question Answer 1 (9 - 9)² + 2 × 4 8 2 (4 - 4)² + 5 × 5 25 3 (6 + 6) × 2 24 4 (1 + 59) ÷ 6 10 5 √4 + 10 ÷ 5 4 6 (73 - 1) ÷ 8 9 7 (5 + 43) ÷ 8 7 8 10 - 6 × 4 -14 9 (8 - 3)² + 3 × 1 28 10 (4 + 6) × 2 20 Day 3 Q Question Answer 1 2² + 4 × 1 8 2 (68 - 5) ÷ 9 7 3 3² + 4 × 4 25 4 (95 - 5) ÷ 9 10 5 (4 + 36) ÷ 8 5 6 (4 - 2)² + 1 × 1 5 7 (4 + 9) × 2 26 8 (2 + 6) × 1 8 9 (62 - 2) ÷ 10 6 10 (7 + 9) × 4 64

Day 2 Q Question Answer 1 √81 + 36 ÷ 4 18 2 √25 + 15 ÷ 3 10 3 (61 - 1) ÷ 10 6 4 (71 - 1) ÷ 10 7 5 (14 - 4) ÷ 10 1 6 1² + 4 × 3 13 7 (2 + 54) ÷ 7 8 8 (66 - 3) ÷ 9 7 9 (1 + 10) × 5 55 10 9 - 9 × 3 0 Day 4 Q Question Answer 1 (10 + 3) × 4 52 2 8 - 1 × 4 4 3 (1 + 8) × 2 18 4 (1 + 44) ÷ 5 11 5 (7 + 1) × 5 40 6 (1 + 5) × 1 6 7 (2 + 58) ÷ 10 6 8 (5 + 20) ÷ 5 5 9 (6 - 6)² + 3 × 1 3 10 (30 - 3) ÷ 9 3

N U M E R A C Y N I N J A S . O R G © 2 0 1 5 N U M E R A C Y N I N J A S . A L L R I G H T S R E S E R V E D

Order of Operations- Harder Key Skills Complete the daily exercises to focus on improving this skill.

Day 5 Q Question Answer 1 (3 + 87) ÷ 10 9 2 (10 - 4) ÷ 6 1 3 (3 + 3) × 5 30 4 (9 - 5)² + 5 × 2 26 5 (2 + 1) × 5 15 6 10 - 9 × 3 -17 7 (11 - 1) ÷ 10 1 8 5 - 4 × 5 -15 9 (6 - 2)² + 3 × 5 31 10 (7 - 1)² + 4 × 3 48 Day 7 Q Question Answer 1 4² + 2 × 4 24 2 (6 - 4)² + 5 × 4 24 3 (1 + 6) × 2 14 4 3² + 2 × 3 15 5 (9 - 2)² + 1 × 4 53 6 (32 - 5) ÷ 9 3 7 (2 + 46) ÷ 8 6 8 (6 - 5)² + 1 × 1 2 9 4² + 2 × 4 24 10 √64 + 16 ÷ 2 16

Day 6 Q Question Answer 1 (6 - 4)² + 3 × 5 19 2 (6 - 4)² + 2 × 4 12 3 (10 - 1)² + 4 × 3 93 4 (1 + 80) ÷ 9 9 5 (5 + 5) × 1 10 6 (52 - 4) ÷ 6 8 7 √49 + 35 ÷ 5 14 8 4 - 2 × 5 -6 9 (3 + 77) ÷ 10 8 10 9 - 7 × 5 -26 Day 8 Q Question Answer 1 (62 - 2) ÷ 10 6 2 (9 + 6) × 2 30 3 (19 - 1) ÷ 9 2 4 (3 + 51) ÷ 9 6 5 (4 - 1)² + 4 × 5 29 6 (1 + 29) ÷ 5 6 7 4² + 5 × 2 26 8 √9 + 9 ÷ 3 6 9 4 - 2 × 2 0 10 (56 - 2) ÷ 9 6

N U M E R A C Y N I N J A S . O R G © 2 0 1 5 N U M E R A C Y N I N J A S . A L L R I G H T S R E S E R V E D

Order of Operations- Harder Key Skills Complete the daily exercises to focus on improving this skill.

Day 9 Q Question Answer 1 (8 + 9) × 3 51 2 10 - 3 × 1 7 3 9 - 6 × 5 -21 4 (4 + 31) ÷ 5 7 5 7 - 4 × 2 -1 6 (6 - 1)² + 3 × 2 31 7 2² + 1 × 3 8 8 (9 + 1) × 1 10 9 (84 - 4) ÷ 8 10 10 10 - 7 × 4 -18

Day 10 Q Question Answer 1 (5 - 3)² + 1 × 3 8 2 (3 + 97) ÷ 10 10 3 (3 + 9) × 1 12 4 (3 - 1)² + 2 × 2 8 5 √25 + 15 ÷ 3 10 6 √36 + 30 ÷ 5 12 7 (15 - 5) ÷ 10 1 8 (3 + 6) × 1 9 9 (50 - 2) ÷ 8 6 10 (1 - 1)² + 2 × 3 6