Year 1 Spring Block 1 Addition and Subtraction

Year 1 – Spring Block 1 – Addition and Subtraction Step 5: Subtraction Crossing 10 1 © Classroom Secrets Limited

Introduction Match the calculations to their answers. © Classroom Secrets Limited 15 – 3 = 11 17 – 6 = 10 19 – 4 = 13 12 – 2 = 12 18 – 5 = 15

Introduction Match the calculations to their answers. © Classroom Secrets Limited 15 – 3 = 11 17 – 6 = 10 19 – 4 = 13 12 – 2 = 12 18 – 5 = 15

Varied Fluency 1 Solve the calculation below using the ten frames. 17 – © Classroom Secrets Limited 8 =

Varied Fluency 1 Solve the calculation below using the ten frames. 17 – © Classroom Secrets Limited 8 = 9

Varied Fluency 2 Use the part-whole model to solve the calculation below. 12 – 6 = 2 Use the number line to help with the partitioning to 10. 2 © Classroom Secrets Limited 3 4 5 6 7 8 9 10 11 12

Varied Fluency 2 Use the part-whole model to solve the calculation below. 12 – 6 2 = 6 4 Use the number line to help with the partitioning to 10. – 4 2 © Classroom Secrets Limited 3 4 5 6 7 8 – 2 9 10 11 12

Varied Fluency 3 Complete the calculation using the number line below. 13 – 7 = – 4 0 © Classroom Secrets Limited 1 2 3 4 5 6 7 8 – 3 9 10 11 12 13 14 15

Varied Fluency 3 Complete the calculation using the number line below. 13 – 7 = – 4 0 © Classroom Secrets Limited 1 2 3 4 5 6 7 8 6 – 3 9 10 11 12 13 14 15