Year 1 Lesson 10 In-class Exercise

Name ________________________

1). Solve each of these word problems using the number lines on the back of your handout.
a). Start at +6 and move left 4. (This is +6 - 4)

Answer: ______

b). Start at +3 and move right 3. (This is +3 +3)

Answer: ______

c). Start at +2 and move left 6. (This is +2 - 6)

Answer: ______

d). Start at -4 and move right 8. (This is -4 + 8)

Answer: ______

e). Start at -2 and move left 5. (This is -2 -5).

Answer: ______


2). Solve these problems using your number lines:

a). + 4 - 6 = _____

b). + 2 - 4 = _____

c). - 3 + 2 = _____

d). - 1 - 5 = _____

e). 0 - 6 = _____

f). + 4 - 4 = _____

g). + 8 - 12 = _____

h). - 6 + 8 = _____

i). + 3 - 6 = _____

j). - 3 - 2 = _____