Grade 1 · 1.OA.D.7
Compare both sides
Individual task
Grade 1 · 1.OA.D.7
Fix the sign
Individual task
Grade 1 · 1.OA.D.7
Explain the equal sign
Individual task
Grade 1 · 1.OA.D.7
Find two answers
Individual task
Grade 1 · 1.OA.D.7
Use a model
Individual task
Grade 1 · 1.OA.D.7
Check a student
Individual task
Grade 1 · 1.OA.D.7
Write your own
Individual task
Grade 1 · 1.NBT.A.1
Count on
Individual task
Grade 1 · 1.NBT.A.1
Count back
Individual task
Grade 1 · 1.NBT.A.1
Read a number
Individual task
Grade 1 · 1.NBT.A.1
Write a numeral
Individual task
Grade 1 · 1.NBT.A.1
Find the gap
Individual task
Grade 1 · 1.NBT.A.1
Count by tens
Individual task
Grade 1 · 1.NBT.A.1
Compare on a chart
Individual task
Grade 1 · 1.NBT.A.1
Use a hundred chart
Individual task
Grade 1 · 1.NBT.A.1
Place a number
Individual task
Grade 1 · 1.NBT.A.1
Explain a pattern
Individual task
Grade 1 · 1.NBT.A.1
Missing tens
Individual task
Grade 1 · 1.NBT.A.1
Number riddle
Individual task
Grade 1 · 1.NBT.C.4
Add a multiple of ten
Individual task
Grade 1 · 1.NBT.C.4
Subtract tens
Individual task
Grade 1 · 1.NBT.C.4
Add in parts
Individual task
Grade 1 · 1.NBT.C.4
Subtract in parts
Individual task
Grade 1 · 1.NBT.C.4
Estimate then solve
Individual task