HUNTERTUTORING

Practice Problems — Set 18

View PDF →

1.OA.A.1 · Use addition and subtraction within 20 to solve word problems involvi…

Print and write your answers. Use diagrams to show thinking.

Warm-up

1. Two-step: 6 red and 5 blue marbles, then lose 2. How many now? ___ 2. Compare: Team A 39 points, Team B 34. Difference? ___ 3. Draw a bar model for: 6 + 5 + 4

_See printable PDF for diagram._

Written practice

1. Two-step: 5 red and 4 blue marbles, then lose 1. How many now? ___ 2. Compare: Team A 38 points, Team B 33. Difference? ___ 3. Draw a bar model for: 5 + 4 + 3 4. Story: 5 birds land on a branch. 4 more join. How many now? ___ 5. Does your answer make sense? Explain in one sentence. 6. Create a two-step word problem for 1.OA.A.1. 7. Two-step: 4 red and 4 blue marbles, then lose 1. How many now? ___ 8. Compare: Team A 41 points, Team B 36. Difference? ___

___________________________ ___________________________ ___________________________ ___________________________

More written practice

1. Draw a bar model for: 4 + 4 + 4 2. Two-step: 3 red and 4 blue marbles, then lose 1. How many now? ___ 3. Compare: Team A 44 points, Team B 39. Difference? ___ 4. Draw a bar model for: 3 + 4 + 3 5. Two-step: 6 red and 4 blue marbles, then lose 1. How many now? ___ 6. Compare: Team A 47 points, Team B 42. Difference? ___

___________________________ ___________________________ ___________________________ ___________________________ ___________________________

Patterns and rules

1. Two-step: 6 red and 6 blue marbles, then lose 3. How many now? ___ 2. Compare: Team A 55 points, Team B 50. Difference? ___ 3. Draw a bar model for: 6 + 6 + 4

_See printable PDF for diagram._

___________________________ ___________________________ ___________________________ ___________________________

Stretch

1. Story: 5 birds land on a branch. 4 more join. How many now? ___ 2. Story: 9 cookies on a plate. Eat 4. How many left? ___

___________________________ ___________________________ ___________________________ ___________________________

Parent tip: Underline the question and key numbers

For your personal study only. Copying, printing, screenshotting, or sharing this material is not permitted and may result in loss of access.

All practice problemsBack to 1.OA.A.1