- RS1 - 4.NBT.5
*(**Multiply up to a four-digit by a one-digit number and two two-digit numbers)* - Multiplication Mat
- RS2 - 4.NBT.6
*(**Divide up to a four-digit number by a one-digit number)* - Division Mat
- RS3 - 4.NF.2
*(**Compare two fractions with different numerators and different denominators**)* - RS4 - 4.NF.3b
*(**Convert between improper fractions and mixed numbers**)* - RS5 - 4.NF.3c
*(**Add and subtract mixed numbers with like denominators)* - RS6 - 4.NF.4b
*(**Multiply a whole num**ber by a fraction)*

**Update:** Guided Practice for sessions 5 through 8 are now included.

Please view the Standard-based Intervention Cycle Overview support video to see how Delta Math instructional resources follow evidence-based recommendations from the Institute of Education Sciences that include:

- Explicit instruction that is systematic
- Visual representations of mathematical ideas
- Progress monitoring
- Motivational strategies such as personal goal setting

We would like to offer special thanks to the support and feedback provided by consultants from the following agencies:

Allegan AESA, Alpena-Montmorency-Alcona ISD, Bay-Arenac ISD, Berrien RESA, Gratiot-Isabella RESD, Huron ISD, Kalamazoo RESA, Oakland Schools, St. Joseph County ISD, Traverse Bay Area ISD and the Michigan’s Integrated Mathematics Initiative.

- 4.NBT.5 - Build
- 4.NBT.5 - Draw
- 4.NBT.5 -Write
- 4.NBT.6 - Build
- 4.NBT.6 - Draw
- 4.NBT.6 -Write
- 4.NF.2 - Build
- 4.NF.2 - Draw
- 4.NF.2 -Write
- 4.NF.3b - Build
- 4.NF.3b - Draw
- 4.NF.3b -Write
- 4.NF.3c - Build
- 4.NF.3c - Draw
- 4.NF.3c -Write
- 4.NF.4b - Build
- 4.NF.4b - Draw
- 4.NF.4b -Write