Worksheets on Common Core Standard - 1.NBT.C.5
1.NBT.C.5 - Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used.
(11 results)Common Core Standard Worksheets
Comparing Two Digit Numbers
1.NBT.B.31.NBT.C.41.NBT.C.5
Comparing Numbers —Hearts
1.NBT.B.31.NBT.C.41.NBT.C.5
Add or Subtract Ten
Students will add or subtract ten in this worksheet. Base ten blocks serve as a visual to help find the answers.
1.NBT.B.31.NBT.C.41.NBT.C.5
Ten More Ten Less
Students will add or subtract ten in this worksheet. Base ten blocks serve as a visual to help find the answers.
1.NBT.C.5
Adding Blocks
1.NBT.B.31.NBT.C.41.NBT.C.5
Base Ten Blocks and Addition
Students will add to multiples of ten in this worksheet. Base ten blocks are provided to help students visualize or coun...
1.NBT.B.31.NBT.C.41.NBT.C.5
Comparing Numbers by the Hive!
Practice comparing two-digit numbers with this fun board game! Students must help the bee get back to its hive by using ...
1.NBT.B.31.NBT.C.41.NBT.C.5
Addition with Multiples of 10
This 1st grade math worksheet allows learners to build fluency in adding multiples of 10. Aligned to 1.NBT standards, th...
1.NBT.B.31.NBT.C.41.NBT.C.5
Adding and Subtracting 10s at the Beach
1.NBT.B.31.NBT.C.41.NBT.C.5
Adding and Subtracting by 10s
1.NBT.B.31.NBT.C.41.NBT.C.5
Ten More Ten Less Numbers Within 100
1.NBT.C.5