lesson
Choosing the Right Tool to Add Tens and Ones
Select and justify the best tool—blocks, pictures, number lines, or mental math—to add a multiple of 10 and a one-digit number.
Updated 1 month ago · 2 views
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This lesson is part of a track
Public learning track
Adding Tens and Ones to 99
6 lessons
Goal
Use concrete and pictorial models to determine the sum of a multiple of 10 and a one-digit number in problems up to 99.
6 lessons
0 of 6 done
- Adding Tens and Ones with Base-Ten BlocksUp next
- Adding Tens and Ones with PicturesNot started yet
- Adding a Multiple of Ten and a One-Digit NumberNot started yet
- Using a Number Line to Add Tens and OnesNot started yet
- Story Problems with Tens and Ones to 99Not started yet
- Choosing the Right Tool to Add Tens and OnesYou are here
Learning standards covered
111.3(b)(3)(A)Texas Essential Knowledge and Skills (TEKS) · Math · 1st Gradeuse concrete and pictorial models to determine the sum of a multiple of 10 and a one-digit number in problems up to 99;
Open Global Standard:OGM.2.NBT.4
111.3(b)(1)(C)Texas Essential Knowledge and Skills (TEKS) · Math · 1st Gradeselect tools, including real objects, manipulatives, paper and pencil, and technology as appropriate, and techniques, including mental math, estimation, and number sense as appropriate, to solve problems;
Open Global Standard:OGM.2.MP.1
111.3(b)(1)(G)Texas Essential Knowledge and Skills (TEKS) · Math · 1st Gradedisplay, explain, and justify mathematical ideas and arguments using precise mathematical language in written or oral communication.
Open Global Standard:OGM.2.MP.1
OGM.2.NBT.4OGM.2.MP.1